Feature:<br />1. Dual speakers for high performance multi-dimensional sound and an unparalleled cinematic deep bass surround sound， let you enjoy high-quality music.<br />2. Built-in Bluetooth allows you to wirelessly stream audio from your mobile devices. Lose the wires and listen to your music with a tap of a finger from anywhere in the room.<br />3. Built-in rechargeable 2000mAh battery provides up to 4 hours of playtime. <br />4. Bluetooth 4.2 specifications， support A2DP， AVRCP， HSP and HF format.<br />5. Powered by built-in rechargeable battery (charged by USB cord included).<br />6.Watching TV at home is like watching a movie at a movie theater. It gives you a theater level sound experience.<br /><br />Specification:<br />Bluetooth version: V4.2<br />(Style Short)Speaker power: 3W × 2<br />(Style Long)Speaker power: 5W × 4<br />Color: Black<br />Use transmission power: 1.49mW<br />Transmission frequency: 2.48GHz<br />Transmission distance: 8-10 meters <br />(Style Short)Music play time: about 4 hours <br />(Style Long)Music playback time: about 2.5 hours<br />Charging time: 2-3 hours <br />Standby time: 240 hours<br />Support formats: A2DP， AVRCP， HSP and HF<br />Battery: 18650， 3.7V / 2000mA<br />SNR: -80db<br />Frequency response: 20HZ-20KHZ<br />Charging voltage: DC 5V / 1A-2A<br />Charging socket: micro 5pin (V8)<br />Support TF card audio input<br />Support 3.5mm audio input<br />Support U disk audio input<br />does not support hands-free<br />With radio function 20<br /><br />Package Included:<br />1 x Speaker<br />1 x Charging Cable<br />1 x 3.5mm audio cable