T&G TG-437 TWS LED Colorful Lights with Strap Portable Wireless Stereo Music Bass Multi Function Speaker

Specifications: Model: TG437. Wireless: V5.3. Working Distance: 10M. Signal-to-noise ratio: 85db. Battery Capacity: 3.7V about 3000mAh. Normal Volume Playing Time: About 3 hours with LED light off. Speaker Driver: 66mm2. Speaker Power: 4 10W2. Frequency Response: 120Hz-20KHz. Product Size: 252115127mm. Product Weight: About 1265g not include accessories). Charging: 5V/1000mAh. Charging Time: About 3.5 hours. Features: International advanced wireless chip and circuit design techniques, support wireless devices. With FM function, can search radio station braodcast automatically. With Hi-Fi speaker, to make sure the clear and bright sound. Support Micro SD Card and USB Card, play MP3 format audio. The Wireless working distance is 10 meters. With AUX line in, can directly connect the outside devices, for example, tablet PC/TV/Cellphones. It will close automatically after 30 mins if disconnect wireless. A variety of flashing LED lights with different colors, color lights flash follow th