*Bluetooth V4.1+EDR.
*Ergonomic design, comfortable and sweatproof.
*12mm speaker driver unit with perfect audio output.
*Built-in HD microphone and noise elimination, with high quality talk performance.
*Micro USB charging port, 80mAh rechargeable battery.
*Up to 6 hours play time and 200 hours standby time.
Bluetooth specification:V4.1
Bluetooth working range: Max 10 meters
Battery Capacity: DC 3.7V, 80mAh
Charge Input: DC 5V, 60mA
Distortion faction:0.08%
Frequency Range:2.402GHz-2.480GHz
SNR:>85%
Frequency response:20Hz-20Khz
Speaker specification:32Ω
Working time:Max 5 hours
Standby time:180 hours
Charging time:1.5 hours
3. Introduction the function of each button
Multi-Function Button (MFB)
Pause/Play Music (shortly press once)
Answer/End a call (shortly press once)
Reject a call (Press MFB for 2-3 Seconds)
Re-dial (shortly press twice)
Re-connection (shortly press once)
Pairing activation (long press until LED light flashing)
1.5Hours（Blue color Full power）
Volume Buttons
Volume+/- (shortly press)
Previous/Next song (long press to skip to previous/next song)
Indicator light
Red light: charging
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