Colorful light changes when music playingWork with most of Bluetooth enabled devices， such as mobile phones， tablets， computers， etcSupport hands-free phone call functionSupport TF cardExpanded Bxs (Bass Xpansion system) drives a fuller， richer low-end responseNew， larger 40mm driver deliversHi-Fi stereo speakerSpecifications:Bluetooth Version: 2.1Bluetooth Operating Distance: 10 meters (equal to 33 feet)Frequency: 90Hz-20KHzWorking Frequency: 2402-2480MHzAudio Interface: 3.5mmSignal-to-Noise:©ƒ80DBDistortion: ©‚0.5%@(1KHz)Speaker Output Power: 4¦¸ 3WWork Time: 4-5 hoursCharging Time: 3-5 hoursCharging Input Power: DC 5VColor: Purple + Silver + BlackPackage Included:1 x Wireless Bluetooth Speaker1 x 2 in 1 Audio Cable1 x User Manual