Thanks for purchasing ES-668 smart bone conduction headphones !
Product Overview Play/pause Key Multi-function key (power on/off, make/answer calls, Bluetooth connection) LED Indicator Volume control key Micro-USB Charging port Microphone How to set up ES-668 1. Pairing When you pair the Bluetooth headphone for the first time (and the ES-668 is off), press and hold the key for 5 seconds and release it when you hear "Power on, Enter pairing". The led light flashes red and blue when in pairing mode 2. Connecting Enter the Bluetooth settings on your phone, scan for new Bluetooth devices and select "ES-668". When the connection is made, you will hear a connection successful message on the ES-668. If the connection attempt has failed, please repeat the above. 3. Reconnecting To power on the ES-668 press and hold the key for 3 seconds and release it when you hear the "Power on" message. The headphone will be re-connected in a few seconds. (This only works when it has been paired with a device before) 4. Disconnect and pair with another device Turn of the ES-668 Hold the key for more than 3 seconds, the headphone will enter the pairing mode. You will hear "Power on, Enter pairing". Select ES-668 in the list of found Bluetooth devices and the headphone will be paired in a few seconds. 5. Use Siri If the headset is connected to an apple IOS device, you can use the Siri virtual assistant. Make sure that Siri is enabled on your IOS smart device (Iphone/Ipad). To use Siri: Short press the button on the ES-668 to start Siri. When you hear the Siri beep, you can speak. Please Note that Siri can only be used on Apple IOS systems. 6. Charging the battery To charge the headphones internal battery, connect it to a wall charger or PC. Use the the supplied Micro-USB cable, connect the Micro USB connection on the ES-668 and connect the other end to the Wall charger/pc. The LED color is red when charging and it turns to solid blue when the battery is fully charged. Note:
1. Please charge the headphone with a 5VDC USB charger or computers USB port. 2. It is recommended to fully charge the battery before first use. 3. Do not remove or replace the battery as it will damage the headphone and will void the warranty. Wearing the Headphone As shown in Pag 1, place the headphone around your neck with the speakers touching your frontal earbones. Dont place the speakers onto your ears like a normal headphone. A: Place against your frontal earbones B: Place the upper curve over your ear shells C: Place at your nape Earplugs:
If you want to listen to your favorite music without disturbing ambient sounds, use the supplied silicone earplugs in environments where it is safe to block out ambient noise, like on a train or airplane. LED Light status Color Explanation The red indicator flashes once every 3 seconds The red indicator flashes 3 times Red (solid) Blue (solid) The blue indicator flashes once every 5 seconds Quick flashing red and blue Unit has Low battery power. Please recharge. Unit is Powering on/off Charging in progress Charging is completed Incoming call/making a call Headphone is in pairing mode. Package contents Headphone Micro USB cable User Manual Storage bag Noise reduction Silicone Ear Plugs Music Play functions 1 piece 1 piece 1 piece 1 piece (optional) 1 pair Function Operation Voice Prompt Play/pause Previous/next Volume +/-
Two sound quality Switches Phone Call functions Press the Play Long press - or + for 2s. key Click + or -
None None Beep sound when the maximum volume has been reached Hold down Key at the same time for 5s key and Volume+
Wave sound Function Operation Voice Prompt Answer/end a call Reject a call Dial the last call key Press Long press Press key key twice None None None Voice Assist (Siri or Google) Mute microphone / un-mute Press Click "
key
" key None None Note: The volume control function only works during music play or making a phone call. Troubleshooting Problem Not powering on Possible Cause Solution Low battery Charge the headphone Place the headphone closer to the device which you want to connect with. Bluetooth pairing unsuccessful Beyond the maximum effective range Specifications Play Time Charging Time Standby duration Connection range Bluetooth Version Bluetooth protocol Speaker type Speaker sensitivity Microphone sensitivity Weight Up to 6 hours 2 hours Up to 10 days
~10m V5.0 AVRCP1.6, A2DP1.3, HFP1.7, HSP1.2 Bone conduction 100 3db
-40 3db 29g/1.02 ounces Maintenance 1. Keep the headphones in a cool and dry place. Its working temperature shall be 0 ~ 45C (32 ~ 113F). Working in a too cold, too hot or too damp place may shorten its service life. 2. Charge the headphone before use if it has not been used for a long time 3. Do not immerse the headphone in water or other liquids. The ES-668 is drip resistant but may not be immersed into fluids. 4. High volume may cause sound distortion and damage your hearing. 5. Clean the headphones with a dry soft cloth. 6. Keep the headphones away from hard and sharp objects to prevent damage. 7. Do not charge the headphones immediately after exercise as the residual sweat in the charging port may damage the headphones circuit. To reduce the risk of damage, please keep the charging port dry before charging the headphones. GUARANTEE The product has a three-month quality warranty as from the purchase date. Manufacturers Declarations 1. CE Certification of Conformity EU-RED Certificate of Conformity Radio Equipment Directive (RED) 2014/53/EU 2. FCC Regulations:
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 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The device complies with Part 15 of the FCC regulations, operation is subject to the following two conditions:
(1) This device may not cause harmful interference
(2) This device must be able to withstand any interference received, including interference that may cause undesired operation. FCC ID: 2AU7MES-668 3. Patent Statement:
The headphones are a patented product under the patent No. ZL201830554788.X Any unauthorized imitation shall be held legally liable. This product is in compliance with basic requirements of the Directives listed below and other relevant provisions RoHS Directive (2011/65/EU) REACH Directive (1907/2006/EU) Please dispose of this product by taking it to your local collection point or recycling center ofr such equipment. Note:
Design and specifications are subject to change without prior notice. Date of Manufacture: