Technical Data： 1. Bluetooth V4.2+EDR，Further transmission distance: 33 feet / 10 meters 2. Frequency: 2.4GHz 3. Limit working voltage: 2.80V-4.20V 4. Working temperature: -20°-50° 5. Effective distance of Mic.: 0-1m 6. 3.5mm stereo audio input 7. Micro USB charging port 8. Bluetooth Pairing Name: BT710REV 9. Working time：up to 18 hours 10. Standby time: 100days 11. Charging time: 3.5hours LED Light Indicator： 1. Pairing : The red and blue LED flash alternatively 2. Connect successfully: The blue LED flash every 3s 3. Charging: The red LED light turns on 4. Full of power:The blue LED light turns on 5. Low power:The red LED light flash every 3s, voice prompt “Battery Low” Features： 1.All-metal housings, smart small size, suitable for all kinds of occasions 2. Built-in DSP independent amplifier, HIFI sound quality, super anti-interference 3. Independent TF card mode, power failure memory 4.Voice prompt, coming call in Chinese and English 5. Support Bluetooth hands-free call function 6. Support Bluetooth A2DP stereo 7. Support to connect two phones simultaneously. 8. Support Bluetooth handsfree/answer/ hang up/ reject/ redial call and other telephone functions Package includes: 1 x bluetooth audio receiver 1 x 3.5mm Premium Headphones 1 x USB charging cable 1 x 3.5mm to 3.5mm audio adapter 1 x English Instruction manual Note: TF Card Not include. Headphones can not answer incoming call when using this bluetooth receiver, but can control answer the call when using the smart phones directly.
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