ClearView Audio Clio Invisible Bluetooth Speaker (Bronze) powered Bluetooth wireless speaker system pair up to eight Bluetooth-enabled devices range: 30 feet 0.04" clear acrylic glass panel transducer left- and right-channel piezo-electric actuators create stereo sound 2" down-firing woofer for low tones tereo minijack input for connecting portable devices AC power cable 12-3/4"W x 8-17/8"H x 3-3/4"D weight: 1.9 lbs. warranty: 1 year