Ultra-compact Bluetooth 2.0 speaker: you'll be amazed by the battery life and audio performance of such a small sound system. Stream your music wirelessly, from your phone or tablet. Take your music with you anywhere you go. Two active drivers, plus dual bass reflex ports. Rechargeable battery: more than 10 hours of battery life. Hands-free function, built-in microphone. Complete control area on the top of the speaker. ON/OFF switch, Micro-USB charging/line out connector and line in connector on the back of the speaker. The USB/line out cable lets you connect multiple WAE* BTP03 Mini speakers to one another. Bluetooth receiver mode lets you use the Bluetooth function with a stereo system (or any other audio system). Listen to the music stored on your Bluetooth device on your favorite stereo! Included app lets you control the speaker using your smartphone or tablet. Specs: RMS power: 2 x 2 W RMS - Peak power: 8 W - Frequency response: 130 Hz - 20,000 Hz - Speaker dimensions: height = 64 mm (82 mm with handle) / depth = 72 mm / width = 165 mm - Weight: 320 grams - Rechargeable 3.7 V, 1200 mAh Li-ion battery - Magnetically shielded speaker drivers won't disturb your surroundings - RoHS compliant product.