The Best Choice For You----Our brand: DORNLAT i7 EarbudsPlease Notice: Left earbud will be main headset for call talking/hearing, Right earbud will mute. Why choose our wireless Bluetooth headphones? *INCREDIBLE SOUND QUALITY. Noise-canceling technology and a Bluetooth V4.2+EDR allow you to focus on the music with sound that's like a concert in your ears. *SINGLE MULTI-FUNCTION BUTTON. With a single multi-function button that initiates device pairing, plays and pauses music,and let you accept incoming calls with the built-in mic and receive helpful voice prompts! Specification: Wireless Version: V4.2 + EDR Frequency: 2.4GHz Impedance: 32 OHM Transmission: class2 Output power: 30mW Range: 33feet Earbuds Size:4.2*1.2*0.7cm Talking Time: 3-4 hours Charging time about 1 hour (power indicator charging: red light; full power: red light off ,blue light on) Standby Time: 120 hours Battery: 60mAh rechargeable Li battery Operating voltage range: 3.0V-4.2V Mitou sensitivity: -42dB Charging power: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger) Compatible phone: compatible with almost all the Android, Apple, Microsoft, Saipan system with Bluetooth mobile phone Package Content: 2*Bluetooth Headphones 1*USB Charging Cable 1*User Manual FAQ: Q: How to use one earbud to connect the device? A: First time connection, short press the power button until the led flash in blue and red alternately , then turn on your smartphone to search available device( HBQ-i7 tws) .Q:How to pair both earbuds and used simultaneously?A:Press both earbuds MFB at the same time and hold on until the red and blue lights flash alternately, And then DOUBLE-CLICK on ONE earbud, they will be paired.
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