Bluetooth Wireless Module Compatible With Many Smartphones - Play, Pause, Previous, Next Functions Over Bluetooth - Dimensions: 2.4'' H x 2.4'' W x 2.3'' D.iPhone, iPad, Android, BlackBerry, All Bluetooth-Enabled Music Players - Connect Virtually Any Audio Device Via 3.5mm Aux-In Jack.Supports Bluetooth Stereo For Rich Sound And Superb Bass Response - Constructed From Durable Aluminum Alloy.Rechargeable Lithium-Ion Battery Lasts Up To 8 Hours, Charges Via USB - Bluetooth Profiles Supported: A2DP, AVRCP.Answer Calls With Bluetooth Hands Free Function - Color: Black This little Bluetooth speaker may be small, but it packs a huge punch. You’ll be surprised how loud this little device can be! It works with both Bluetooth and line-in - so you can connect virtually any music player, wirelessly or with a 3.5mm audio cable. Bluetooth works with most smartphones, including iPhone, iPad, Android, and BlackBerry. You can even use this device to answer calls hands-free, so you never have to worry about missing an important call because of the music. Wirelessly control your audio device over Bluetooth using the play, pause, previous, and next buttons. The built-in rechargeable battery provides up to 8 hours of audio playback and charges via USB. This speaker is constructed from a durable aluminum alloy that will give you hours and hours of enjoyment. Color: black.