bluetooth 4.1 wireless stereo sweatproof sport headphones earbuds earphone with hands-free BT102
Bluetooth Earphone:
Bluetooth version: bluetooth V4.1+EDR
Support: HFPV1.5, A2DPV1.2, AVRCPV1.4, HSP1.2, GAVDP1.2, IOP
SNR: 96dB SNR stereo ADC and stereo DAC
Sensitivity: -80dBm<0.1%BER
Working distance: 10m
Working frequency: 2.4 - 2.480GHZ
Transmission power: CLASS2, 4dbm
Audio S/N: ≥85dB
Audio performance: SBC decoding
Battery: 3.7V/80mAH built-in rechargeable Li-on battery
Charging voltage: DC5V
Charging time: about 2 hours
Working currency: ≤20mA
Standby currency: <2mA
Working temperature: -40℃ to +85℃
Play time: about 4 hours
Talk time: about 5 hours
Standby time: about 40 hours

Features:

1. Spacious, clear sound with deep and enhanced bass and immersiver listening

2. Smooth highs and dynamic lows

3. Closed back design offers isolation and keeps the sound from disturbing your neighbors

4. Perfect use for CD, MP3/MP4 player

5. Light-weight for comfort wearing

6. Noise free headset can be added;

7. Customers Logo available;

8. CE, ROHS Certeficates.