U8I Headset User manual

SHENZHEN MIFANG NETWORK TECHNOLOGY CO., LTD Products Model Product Name U8 Sport Bluetooth Headphone Document NO. Version Effective Date V1.0 2016-8-16 Bluetooth Headphone Specification Compile Check Approve:

1/5 SHENZHEN MIFANG NETWORK TECHNOLOGY CO., LTD Products Model Product Name U8 Sport Bluetooth Headphone Document NO. Version Effective Date V1.0 2016-8-16 1 Product features and functions 1.1 Product features 1.Chipset: CSR BC8635 2.Bluetooth Version: V4.1+EDR 3. bluetooth protocolA2DP v1.2, AVRCP v1.4, HFP v1.6, HSP v1.2,DI v1.3 4. wireless frequency range: 2.402GHz2.483GHz 5. modulation system: GFSK, /4-DQPSK, 8-DPSK 6. Operation Range: Class 2(10 meters33 inchs) 7. Frequency Response Range: 20Hz20KHz 8. Driver Diameter10 True copper ring 9.Microphone4015/-42dB 10.Battery Capacity: 100mAh Rechargeable Li-polymer battery 11.Charging time: about 2 hours 12. Charge VoltageDC 5V 13.Playing time: about 6-8 hours 14.Talking time about 6-8 hours 15.Standby time : Maximum 250 hours 16.Weight18.5g 17. Dimensions35.5*14.7*14.5mm 1.2 Product function Play music Answer calls Last Number Redial Power display Connect two devices at the same time Low Battery Alarm 2/5 SHENZHEN MIFANG NETWORK TECHNOLOGY CO., LTD Products Model Product Name U8 Sport Bluetooth Headphone Document NO. Version Effective Date V1.0 2016-8-16 1.3 Application Fields Personal digital attachment 1.4 operating instructions 1.4.1 Power On Press and hold the multi-function key for about 3 seconds to turn on the headset, the red indicator light and the blue indicator light flash alternately, the headset enters the pairing mode. Such as Bluetooth headset and other equipment has been paired, the headset can automatically return to the device after power on. 1.4.2 Power Off Press the multi-function key for about 3 seconds, the red light will flashes 3 times and then extinguish, the headset into the shutdown mode. 1.4.3 Answering calls When the caller sounds a tone, or a ringtone, press the multi-function key to answer the call, or use the phone answer key to answer the call. 1.4.4 Hang up In the course of the call, press the multi-function key or use the phone answer key will hang up the phone. 1.4.5 Last Number Redial In the headset connection state, double-click the multi-function keys, you can achieve the last number redial. 1.4.6 Reject call Press the multi-function keys for 1 second, refused to answer the phone. 1.4.7 Volume adjustment / up and down Click the "+" key, the volume increases, long press + key, next song;

Click the "-" key, the volume decreases, long press - the key, the last song. 1.4.8 Play / pause / answer When playing a song, click the multi-function key to pause, and click again to play;

On the call, click the multi-function key to answer the call and click again will hang up. 1.4.9 Headset charging With DC5V to the Bluetooth headset charge, when charging the Bluetooth headset is display red indicator light, when full the light will change into blue. 1.5.0 Headset reset Press the multi-function key until the blue indicator light flashes three times when headset is charging, the headset have been clear the matching information (Reset) 3/5 SHENZHEN MIFANG NETWORK TECHNOLOGY CO., LTD Products Model Product Name U8 Sport Bluetooth Headphone Document NO. Version Effective Date V1.0 2016-8-16 2 Product electrical characteristics 2.1 RF Features Temperature +20 Radio characteristics,VDD=?V Temperature=+20 Frequenc y (GHz) Min Type Max Sensitivity at 0.1% BER Maximum received signal at 0.1% BER RF transmit power Initial carrier frequency tolerance 20dB bandwith for modulated carrier Drift(single slot packet) Drift(five slot packet) Drift Rate 2402 2441 2480 2402 2441 2480 2402 2441 2480 2402 2441 2480 2402 2441 2480 2402 2441 2480 2402 2441 2480 2402 4/5 Bluetooth Specificat ion

-90

-20

-6 to +4 75 1000 25 40 20 unit dBm dBm dBm dBm dBm dBm dBm dBm dBm KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz/

50us SHENZHEN MIFANG NETWORK TECHNOLOGY CO., LTD Products Model Product Name U8 Sport Bluetooth Headphone Document NO. Version Effective Date V1.0 2016-8-16 FCC caution:

This device complies with part 15 of the FCC rules and Industry Canada license-exempt rss standard(s). 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. The manufacturer is not responsible for any radio or tv interference caused by unauthorized modifications or change to this equipment. Such modifications or change could void the users authority to operate the equipment. 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. 5/5