説明
3W speaker to amplify the sound of any type of audio media. Recharges via USB (cable included). Battery Type: Lithium Battery power: 3.7V Battery Capacity: 300mA Charging time of battery: 2-3 hours Maximum sound power: 90 db. Autonomy at full power: about 2-3 hours Autonomy in standby mode: about 8 hours. Size: 60 x 55 mm