The iSound Twist Bluetooth Speaker (Black) uses A2DP Bluetooth technology to wirelessly stream music from your favorite Bluetooth devices. It's powered by a built-in lithium-ion rechargeable battery and it's compatible with any Bluetooth phones, tablets, laptops, computers and MP3 players. It also features an auxiliary 3.5mm audio jack input for playing audio from other devices as well. The rechargeable battery supports up to five hours of music playback and the speaker supports up to a 30' transmission range.
A2DP Bluetooth speaker features a 30' (9.1 m) transmission range for convenient wireless music streaming