Adopting bluetooth V5.0 technology, stable signal transmission, powerful audio decoding, operating distance up to 10 meters Support FM radio, you can directly search for radio stations in the listening area Support direct reading TF card and U disk The tone is soft, clear and dynamic, with distinct levels Support LINE IN audio input, provide you with computer speaker function If there is no connection in Bluetooth mode, it will automatically shut down within half an hour Dual high definition speaker drive units, 360-degree surround powerful bass and stereo HiFi sound effect Multiple flashing type for LED light following music melody Supporting song switching, playing/pausing music, answer phone calling, volume control, etc Built-in 1200mAh lithium battery, long using time up to 3 hours With USB charging cable, convenient to charge it by power bank, PC, etc Easy to carry, great for outdoor activities, sports, etc Specification: Bluetooth version: V5.0 Battery capacity: 1200mAh Frequency range: 120Hz-20KHz Transmission distance: 10 meters Playing time: about 3 hours Size: 21.5 x 8.6 x 8.78mm Compatible with: iPhone Xs Max Samsung S10 Plus Huawei P30 Any bluetooth-enabled smartphones, tablets and devices