Bluetooth version: v5.0
Support for A2DP decoding
Receiving distance: less than 10 meters
Working frequency: 2.402GH2-2 480GHz
Transmitting power: level 2, maximum 4dBm
Supporting simple pairing
Audio decoding mode: SBC
Signal to Noise Ratio (SNR): > 75dB
Distortion: <1%
Voltage DC5+0.25V
Battery capacity; 3.7V/45MAh
Working voltage: 3.7V (3.3-4.2V)
Chargingtime: about 1H
Microphone Sensitivity: -42+ 3db
Low battery power alarm. 3.3V
Speaker specifications.32Q +15%
Continuous playing time: > 35 hours
Connection time: > 100 hours
Working Current: <25mA
Static Current: < 5uA
Matching code: 0000 (less than version 2.1)