Etekcity RoverBeats T3 Ultra Portable Bluetooth Speaker with High-def Sound, CSR 4.0, Perfect Wireless Speaker for Home, Outdoors, Travel ENHANCED AUDIO: A CSR 4.0 Bluetooth chipset, 3W rate power and enhanced bass resonator offer class-leading performance for crystal clear and incredible sound quality. COMPACT AND PORTABLE: Small size with carrying pouch. Anti-skid mat on bottom of the speaker to add stability; Multi-hole silicone protective layer to avoid slipping and spread the sound barrier-free; WIRELESS FREEDOM: Built-in mic supports hands-free phone calls & outstanding bluetooth connection range of up to 33 feet for convenient wireless freedom. LONG PLAYING TIME : Up to 8 hours playtime powered by an internal long-lasting rechargeable lithium battery. BROAD COMPATABILITY: Easy Bluetooth connection works with all Bluetooth-enabled devices: smart phones, pads, laptops and desktops, MP3 & DVD players, etc.; 3.5mm audio jack for non-Bluetooth devices. 1 year warranty