Built-in 52mm driver for Hi-fi stereo sound, S15 bluetooth speaker provides crisp, full-bodied music with impressive volume. S15 bluetooth speaker with 5000mAh rechargeable lithium battery provides up to 8 hours playback time. With solid aluminum alloy case provides smooth touch. And the touch control design makes the Bluetooth speaker easy to switch the mode, adjust the volume, change the songs and more.

【EXTRAORDINARY SOUND QUALITY】20W 3D stereo surround sound, deep bass. Crystal clear and fine-sounding audio with impressive volume supported by dual 10W drivers. Wireless Subwoofer, Digital Signal Processing (DSP) system accompanies with high-fidelity sound system. Please enjoy fantastic music/sound with our 20W Bluetooth speaker 【BLUETOOTH 4.0 WIRELESS SPEAKER】Wireless Bluetooth function: the soundbar speaker is compatible with Bluetooth supported devices like iPhone, Samsung, HTC, iPad, tablet, PC, laptop. Easy and convenient to connect; speaker automatically reconnects to the last device used 【LONG PLAYTIME】 This wireless Bluetooth speaker is supported with Li-Ion 4500 mAh rechargeable battery that can work about 12 hours of continuous playtime; recharge in 6 hours with micro USB cable