Put powerful sound in your pocket with the Wireless Mini Bluetooth Speaker. Featuring TWS Stereo Sound, this speaker can also be paired with a second speaker to provide even more sound. It is designed for more than just music & is compatible with most Bluetooth-enabled devices with an operational range of up to 33'. The Mini Bluetooth Speaker features a built-in microphone for hands-free calling at the touch of a button. Equipped with a rechargeable battery, this compact speaker provides up to 4 hours of continuous playtime on a single charge. The convenient on / off button allows you to conserve battery life when not in use. Speaker also includes a convenient carrying strap & charging cable.