Bluetooth Chipset:AB1522S/4.2

Operation Range: 10m

Battery Capacity: 80mAh

Music Play Time: 5Hrs

Charge Time: 2Hrs

Driver Unit: 10mm

Impedance: 32 Ohm

Frequency Response: 20Hz-20kHz

Sensitivity: 102dB tolerance 3dB

Waterproof Level: IPX5