1[Four Color Light] 360 degree full screen LED breathing light BT speaker, 4 color changing modes, single color long bright, single color alternating flash, four color breathing slow flash, single color breathing slow flash. 2[Long Battery Life] BT speaker built in 1000mAh high capacity lithium ion battery, lasting life, support charging and playing at the same time, charging and discharging life longer. Suitable for home or outdoor use. 3[BT 1] The speaker adopts the latest BT 1 transmission technology, wireless connection is simple and convenient, no obstacle within 10 meters, stable connection without lag, no delay, no distortion, low energy consumption. 4[Dual Series Connection] Wireless speaker supports stereo dual series technology, the use of BT can be connected to two speaker series together, equivalent to 60W speaker sound, 360 degrees surround sound, as if in the real world. 5[Multiple Connection Modes] Wireless speaker can be connected wirelessly with BT, automatically played by Memory Card, or wired with AUX interface to meet the needs of different scenarios, easy and convenient.