1. Bluetooth 4.1 More Stable,Compatible with All Your Bluetooth-Equipped Devices, and an Excellent Bluetooth Range about 33 Feet. It Pairs Easily with Your Smartphone, Tablets Or Other Bluetooth Devices.
2. Support TF Card&20W Powerful Speaker: Big size loudspeakers, 20W Output from 4x5W Drivers.
4. Surround stereo sound easily fill a big room, and no distortion.Give more mood and energy by music.
5. Built-in 2000 mAh rechargeable Li-ion battery guarantees up to 8 hours playtime in default volume. You can completely enjoy the music lightheartedly.