Boytone BT-120BK Portable Wireless Bluetooth Speaker, Built-in Microphone, 2 Stereo Speaker, Rechargeable Battery. Aluminum Casing. Works with iPhone, iPad, Samsung, Tablets and Other Smart Phones New Bluetooth v3.0 technology. Compatible with all Bluetooth enabled devices. Built-in Li-Ion Rechargeable Battery for up to 6 hours of playtime Pair and play with any Bluetooth & non-Bluetooth device via 3.5mm port. Micro USB extended 8mm tip included for battery charge. High quality lightweight speaker with excellent wide sound spectrum and sound quality. Aluminum casing body with compact size and water resistant. Size: 137 x 10.3 x 38 mm. Net Weight: 176 grams. one year warranty from boytone