FCC ID: YAMEHW08 BT Earpiece

USER MANUAL EHW08 BT Earpiece EHW08 5202010063627A 010745 C10524 Z04313 5202010062427A 5202010063527A Preface Thank you for purchasing this product. To derive optimum performance from the product, please carefully read this manual before use. This manual is applicable to the following product:

EHW08 BT Earpiece Icon Conventions The following icons are available through this manual:

: Indicates references that can further describe the related topics.

: Indicates situations that could cause data loss or equipment damage. Precautions For Safety Do not drop or crash the product. Otherwise, the product may malfunction. Do not place the product near fire or under direct sunlight for a long time. Otherwise, it may cause fire and other faults. While driving, do not use the product. Otherwise, it may lead to traffic accidents, and the Company shall not be responsible for such accidents. Do not disassemble or refit the product. Otherwise, it will cause product damage, electric shock, fire, and other accidents. Do not put the product in the mouth or the place easy to be touched by children to avoid injuries. Use the product in the temperature from -15C to +60C. If the temperature is beyond this range, the product may not be 11 normally used. Use the accessories of the Company. The accessories of other companies may be incompatible with the product. For Charging Use the USB cable attached with the product. Otherwise, it may cause fire. If the product is not used for a long time, charge it at least once every three months to avoid battery damage caused by excessive discharge. Charge the product by power adapter or connecting to the PC through the USB data cable at room temperature. Avoid charging near the fire or under high temperature. After charging is completed, disconnect the product from the power adapter or the PC. Otherwise, it may cause fire. If you smell something burned, feel the product is hot, or find other abnormal atmospheres, stop charging the product. Otherwise, it may cause fire. Packing List Please unpack carefully and check that you have received the following items. If any item is missing or damaged, contact your local dealer. Item EHW08 BT Earpiece Silicone Earmuffs Quantity

(PCS) Item Quantity

(PCS) 1 2 USB Cable User Manual 1 1 22 Pictures in this manual are only for reference. Product Overview Introduction EHW08 BT earpiece is an accessory that allows you to speak through the PTT key and control the volume. The product is compact and light, and comfortable to wear. Product Layout LED Indicator LED Indicator Description Flashing blue once every three seconds The product is running or in standby. Flashing red and blue once every two seconds The battery power is low. Flashing red once every second The product is being charged. 33 LED Indicator Description Glowing red The product is fully charged. Flashing red and blue alternatively The product is switching to the pairing mode. Alert Tone Alert Tone Description Seven tones with pitch increasing The product is being turned on. Three tones with pitch decreasing The product is being turned off. Two tones with pitch increasing A tick and a beep Two beeps The product is switching to the pairing mode. The product is connected with a BT device. The product is disconnected from a BT device. Five tones with pitch decreasing every minute The battery power is low. Before Use Charging the Battery If the product is not charged for a long time, the battery service life will be reduced. Charge the product at least once every three months. Before use, charge the product for two hours. When the LED indicator flashes red once every second, the product 44 is being charged. When the LED indicator glows red, the product is fully charged. Pairing Before use, pair the product with the terminal. After the initial BT pairing, the BT connection will be established automatically in future use. 1. Turn off the product. 2. Push and hold the Power/Pairing key toward the power icon for ten seconds. When the LED indicator flashes red and blue alternatively, the product has switched to the pairing mode. 3. Pair with the product on the terminal. For details, refer to the user manual of the terminal. When the LED indicator flashes blue once every three seconds, the product has been paired with the terminal. Wearing the Product You can wear the product on the left or right ear. 1. Adjust the Adjustable Rod for Microphone and Adjustable Rod for Left/Right Ear as shown in the following figure. 55 Do not rotate the adjustable rod by force. Otherwise, the product may malfunction. 2. Rotate the Adjustable Rod for Left/Right Ear counterclockwise or clockwise to a proper position for left or right ear. 3. Adjust the Adjustable Rod for Microphone near the mouth. 66 4. Hang the product on the ear, and then insert the silicone earmuff into your ears. Basic Features Turning on the Product Push and hold the Power/Pairing key toward the power icon for three seconds. The LED indicator flashes blue. Turn off the Product Push and hold the Power/Pairing key toward the power icon for six seconds. The LED indicator flashes red quickly. Transmitting and Receiving After the product is connected with the terminal, you can communicate with other users through the product. TX 1. Press and hold the PTT key, and then speak. 2. After speaking, release the PTT key. RX If someone speaks during a call, you can hear the voice from the speaker without any operation. Adjusting the Volume Increasing the Volume Push and hold the Volume key toward the + icon. Reducing the Volume Push and hold the Volume key toward the - icon. Care and Cleaning To guarantee optimum performance as well as a long service life of 77 the product, please follow the tips below. Product Care Do not pierce or scrape the product. Keep the product away from substances that can corrode the circuitry. Product Cleaning Before cleaning, remove all cables first. Make sure the product is completely dry before use. Clean up the dust and fine particles on the product surface and charging interface with a clean and dry lint-free cloth or a brush regularly. Use neutral cleanser and a non-woven fabric to clean the surface and keys. Do not use chemical preparations such as stain removers, alcohol, sprays, or oil preparations, so as to avoid the surface and shell damage. FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This 88 equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. European Union Directive Conformance Hereby, the Company declares that the radio equipment type BT earpiece is compliance with Directive 2014/53/EU. Operating Frequency Range(s): 24022480 MHz The maximum RF Output Power: -10.34 dBm Importer Information Importer: Hytera Mobilfunk GmbH Address: Fritz-Hahne-Str. 7 31848 Bad Mnder Germany Website: www.hytera-mobilfunk.com Importer: HYTERA COMMUNICATIONS (UK) CO., LTD Address: Hytera Houwe, 939 Yeovil Road, Slough Trading Estate, Slough, Bershire SL I 4NH, United Kingdom Website: www.hytera.co.uk 99 EHW08

-15 60 11 USB PC USB USB 1 2 USB 1 1 EHW08 PTTPush-to-Talk 22 LED LED

/ 31 21 11

.. 1 33 LED 1 1 LED 1. /10 LED 2. LED31 44 1. 2. 3. 4. 55 5.

/ 3 LED

/ 6 LED PTTPTT 66

USB 77

Hytera Communications Corporation Limited Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, People's Republic of China, P.R.C, P 518057 Agent Authorization Company: Hytera Communications Corporation Limited Address: Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, People's Republic of China, P.R.C, P 518057 Product Name: BT Earpiece Model Number(s): EHW08 Product Description: BT Earpiece We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Date: Sep.13, 2021 Name:

Tiantian Chen Title:

Certification Engineer Company: Hytera Communications Corporation Limited

Hytera Communications Corporation Limited Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, People's Republic of China, P.R.C, P 518057 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Sep.13, 2021 Subject; Request for Confidentiality FCC ID: YAMEHW08 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Tiantian Chen Title: Certification Engineer