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Overview and Specifications:

Compact Bluetooth single-sided headset Bluetooth 4.2 HD call
Battery lasts small body large capacity Continuous playback of music up to four hours
The subwoofer with a powerful bass hidden in the ear makes it easier to make a one-touch call.
Use low-voltage plasma nanotechnology to block external materials from invading internal circuits. Whether it is sweat or rain, it can be safely protected.
Compatible with iOS Android and other digital audio-enabled

Business Bluetooth earphone
1, Distance: ≤ 10M
2, Bluetooth version: V4.2
3, Charging voltage: DC5V
4, Working voltage: DC3.7V-4.2V
5, Battery capacity: 45mAh
6, Frequency range: 20Hz-20KHz
7. Speaker impedance: 32Ω +/- 10%
8.Loud speaker size: Φ10mm
9.Rated power: 2mW
10. Sensitivity: 102+/-3dB

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