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Feature:

1. Hi-fi stereo wireless bluetooth transmission
2. Built-in EQ equalizer
3. High anti-interference antenna
4. Built-in large capacity rechargable lithium battery
5.Advanced DSP technology
6. 360 degree all hidden style hifi microphone
7. Advanced ECHO cancellation
8. Mobile talk or music play two modes automatically switch

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Specification:

Protocol standard: bluetooth V3.0+EDR?
Frequency Response: 20Hz~20KH
Carrier frequency: 2.4GHz GFSK?
Rating Output Power: 25dBm?
S/N: ≥90dB?
Speaker Size: 40mm (Dia.)?
Impedance: 32Ω?
Operating voltage: 3.7v?
Battery Rechargeable lithium: 350mAh?
Hold time: 15 hours?
Music Playing: 12 hours?
Standby time: 200 hours?
Charging time: 3.5 hours?
color: black/white/red/orange