BH-23 Waterproof Wireless Bluetooth Sports Stereo Headphone Earphone For Smartphone(Black)

Basic Data:
Bluetooth 2.4GHz Bluetooth 3.0 + EDR
Bluetooth Profiles HSP / HFP / A2DP / AVRCP
SNR more than 80dB
Distortion degree less than 0.1%
Effective range about 10m / 33ft
Frequency response 20-20,000Hz
Microphone sensitivity about -40 dB
Standby time 250 hours
Phone talking time 8~10hours
Charging time 2~3 hours
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