Whitelabel Mini Tough Bluetooth Stereo Speaker Supreme Sound Quality With Hi-fi sound quality , the speaker is capable of handling a full-range sound. The high quality speaker can also handle deep bass and sweet treble. The sound quality for a compact unit is incredible, loud and clear! Super Endurance It's got super endurance to give you uninterrupted music! A built-in 400mAh lithium battery lets you listen to your favorite tunes for about 4 hours continuously. Speakerphone Function Enjoy using the speakerphone function! If you receive a call on your phone while playing music, you can use the speaker's hands-free mode to chat while you carry on with whatever you're doing. When you finish the call, your music will come straight back on. AUX Audio Input You can connect a device using a 3.5 mm audio cable. Connect your MP3/MP4 player, cell phone, computers or other equipment. Specification Bluetooth V3.0 with EDR Supports profiles: headset, handsfree, A2DP, AVRCP Operation range: Class 2, 10 meters Up to 4 hours music time Frequency Range: 2.4 GHz Bluetooth Range: Up to 30 feet Charge time: 2 hours Package Included: Mini Tough Speaker x1 pcs AC charging Cable 3.5mm stereo cable Mini Tough Manual The Whitelabel Mini Tough is backed by our . Please contact us via email if you have any questions.