Specifications:
Bluetooth: Bluetooth V5.3
Operation frequency: 2.402-2.480GHz
Supported profile: HFP, A2DP, AVRCP
Operation range: UP to 10 meters
Music time: About 18 hours (60% volume)
Talking time: About 15hours (60% volume)
Battery: 350mAh Lithium polymer Battery
Charge time: 1.5~2 hours
Operating temperature: -10~55
Speaker unit diameter: 40mm
Rated impedance: 32Ω ± 15%
Frequency Range: 20-20kHz
Sensitivity: 119± 3dB
Product weight: 210g