1、The advanced Bluetooth audio decoding chip supports the connection of all Bluetooth devices, and the Bluetooth receiving distance can be as long as 10m. 2、Support FM radio, you can directly search for radio stations in the listening area, the sound is soft, clear and dynamic, with distinct levels. 3、Multiple flashing modes LED lights, the lights can flash with the melody of the music, and the lighting effects can be switched with one button. 4、Direct reading memory card and U disk, support line in audio input, provide you with computer speaker function, can directly connect to phone tablet and TV bluetooth pairing to play music. 5、Powerful sound, suitable for indoor and outdoor sports, racing, hiking, camping, parties, etc., can provide good music. Item Type: LED Bluetooth Speaker Material: ABS Weight: Approx. 495.0g/17.5oz Bluetooth Specification: V5.3 Bluetooth Name: for TG-157 Wireless Transmission range: 10M Audio-to-Noise Ratio: ≥90db Battery Capacity: 1200mAh (Built-in Li-ion Battery) Built-in Voltage: 3.7V Normal Volume Playback: 3H Speaker Specifications: 45mmx2 Power: 5Wx2 Frequency Response: 120HZ-20KHZ Charging Voltage: 5V/500MA How to use: Long press the power button to turn on, the sound prompts, mobile phone or Bluetooth connected device search for TG-157 to play music, or plug in U disk or memory card or audio cable to play 1 x LED Bluetooth Speaker 1 x AUX Audio Cable 1 x USB Charging Cable 1 x Manual