Bluetooth 5.3:A of Bluetooth chip, the connection distance is about 15 meters, low-power intelligent chip connection is more stable. 360° stereo surround sound quality Better sound quality than ordinary speakers, as if you were at the concert. Ambient light:Products with warm ambient light, listening to music at night more atmosphere. Support multiple playback modes:Support Bluetooth play, TF card play, U disk play, AUX play, to meet your different play needs. Large-capacity lithium battery:Built-in 1200mah high-capacity lithium battery, longer life, listening to music more enjoyable. Speaker amplifier rate: 4ohm 3W Support playback mode: Bluetooth / TF card / U disk / AUX Working voltage: 3.7v Music file format: MP3 WAV Bluetooth version: (5.3) Signal-to-noise ratio: 76dB Battery capacity:1200mah The color of the music logo may be different due to different factory batches, but it not affect the use Color: White Material: Plastic Package Contents: 1 x Retro Bluetooth Speaker 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.