Bluetooth version: Bluetooth5.2 Bare metal weight: 28g Main chip: AB8895B Bluetooth frequency: 20HZ-20KHZ Waterprooflevel: IP55 Bluetooth distance: greater than 10 meters Battery capacity: 180mAh Standby time: 300 hours Charging time: 1.5h Play time: about 7h (80% volume ) Appearance color matching: Black
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