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
Microphone size: Φ4.0* 1.5mm
Output power: 20mW
Working voltage: 3.3V-3.7V
Working time: 4-5 hours