Specs for products:
Bluetooth version + SPECS:Bluetooth V5.0+EDR
Support protocol:HFPV1.2, A2DPV1.3,AVRCPV1.4,HSP1.6,GAVDP1.2,IOP
SNR(Signal to Noise Ratio): 96dB SNR stereo ADC and stereo DAC
Sensitivity:-80dBm<0.1%BER
Transmitting distance:About 10m
Frequency response:2.4 -2.480GHZ
Transmission power:CLASS2,4dbm
Audio to SNR(Signal to Noise Ratio) :≥75dB
Audio Performance:SBC
Battery Specs:3.7V/60mAH(Built-in Lithium-Polymer Rechargeable
Battery)
Charging voltage:DC5V 45mA
Charging time:About 1.5 hours
Working current:≤40mA
Standby current:<50uA
Temperature range:-40ºC to +85ºC
Play time:About 3.5 hours
Talk time:About 3.5 hours
Standby time:About 180 hours