Tektalk Portable Bluetooth Cylinder Speaker Wireless Bluetooth Speaker with Rechargeable Battery (6 Hours Playtime), can Put The Tablets On It, Works with iPhone, iPad, iPod, iTouch, Samsung, Blackberry, MP3/4, PSP, Computer PC, Notebook, Tablets, Smartphone and other Device &ndash; Color Silver Suitable for these equipment: iPhone, iPad, MacBook, Samsung Galaxy s4 and s3, Galaxy Note, Amazon Kindle Fire HD and all tablets, Smart Phones and PCs Bluetooth wireless distance: Can be up to 15 meters. Bluetooth signal is weak in three meters away Working time: Capacity of 850 mAh rechargeable battery supports 6 hours playing time Wireless bluetooth speakers can be simultaneously connected to three different bluetooth devices, can take turns playing music with friends. Package contents: Portable Bluetooth Speaker, Aluminium alloy handle, 1 accessories pouch, micro USB cable, audio cable.