Adopt advanced Bluetooth audio decoding chip to support the connection of all Bluetooth 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 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 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 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 Speaker 1 x Charging Cable 1 x Audio Cable 1 x English and Chinese User Manual Other items not include