【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

Enjoy rich, clean, full-range sound for movies, TV and music with Polk's New dynamic balance acoustic Array. Recommended Amplifier Power Per Channel 20 watts - 300 watts (1) 1" high-resolution terylene tweeter for crystal clear high frequency response that perfectly reproduces the latest high resolution Audio files (3) 6.5" low distortion mica-reinforced polypropylene cones with four-layer voice coils for clean, clear bass, better linearity, and increased dynamic mid-range