Amplify your tunes with Tinc's magnetic speaker. No wires. No bluetooth. Just sheer magnetism. Compatible with your smart phone, mini tablet, or music player. Just place your device on top of the speaker in the right position and it will magnetically connect and amplify your tunes. Speaker also comes with an audio jack to amplify your tablet, laptops and other devices. Use your device's volume control to change the speaker volume and charge up your speaker using the supplied USB cable. Includes a built in rechargeable battery for up to 10 hours of use.