Bluetooth version: Bluetooth V5.0
Support mode: L2CAP/A2DP1.2 (AVCTP1.3/AVDTP1.2/AVRCP1.3)
Transmission distance: ≤10 meters (without obstacles)
Speaker diameter: 13MM
Speaker impedance: 32 ohm ± 10%
Frequency response: 20Hz-20KHz
Sensitivity: 92dB/±3dB
Mark wind size: Φ4.0*1.5mm SMD microphone
Mark wind sensitivity: -92dB/±3dB
Output power: 20mW
Working voltage: 3.3V-3.7V
Working time: 4-5 hours
Standby time: 210 hours
Charging time: about 1.5 hours