Product DetailsBluetooth 5.3; Chip: JLAC7006Driver Diameter- 40mmBattery capacity: 400mAh, charging for about 2 hoursUse time: Up to 40 hoursStandby time: up to 200 hoursSize: 193*170*76mmWeight: 193gSupport Bluetooth, AUX, TF card modeSupport Chinese and English prompts: double-click the M key in unpaired state
