•Adopt advanced Bluetooth-compatible audio decoding chip to support the connection of all Bluetooth-compatible devices •Support FM radio, you can directly search for radio stations in the listening area •The tone is soft, clear and dynamic, with distinct levels •Direct reading of TF card and U disk •The Bluetooth-compatible receiving distance can be as long as 10 meters •Support LINE IN audio input, provide you with computer speaker function, which can be directly connected to mobile phone / tablet / and TV to wirelessly pair and play music •There is no connection in Bluetooth-compatible mode, it will automatically shut down in half an hour •Support TWS function •A variety of flashing modes Symphony LED lights, the lights can flash with the music melody, one-key conversion, the music melody can not only be listened to but also seen Specifications: •Bluetooth-compatible specification: V5.1 •Wireless transmission range: 10M •Audio-to-noise ratio: ≥90db •Battery capacity: 1800mAh •Built-in voltage: 3.7V •Normal volume playback: 4H •Horn size: ￠45mm*2 •Power: 4Ω/5W*2 •Frequency response: 120HZ-20KHZ •Product size: 70.5x70x165.5mm •Weight: 384g •Charging voltage: 5V/500MA •Charging time: 3H Package included: •1 x Bluetooth-compatible Speaker •1 x Charging Cable •1 x Audio Cable •1 x English and Chinese User Manual •Other items not include