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Ergonomic in-ear design, comfortable to wear, not easy to fall off
Bluetooth 4.2, support for voice calls and music playback
Connect with two devices at the same time
High-quality microphone design can effectively reduce environmental noise
English / Chinese language, voice prompt: incoming call number, low battery, connect, disconnect
Remaining power display on your iOS phone
Bluetooth version: 4.2
Transmission distance: 10m
Frequency response: 100Hz-10KHz
Output sensitivity: 111dB±3dB
Mic sensitivity: -44dB±3dB
Playing time: about 2.5 hours
Standby time: about 62 hours
Charging time: about 2 hours
Battery capacity: 50mAh
Resistance: 14Ω±20%
Rated power: 4mW