Yoobao M20 Super Bass Wireless Bluetooth V5.3 TWS Speaker with FM Radio TF Card USB Function and RGB Lightning Effect

Specifications: Model: M20. Bluetooth: V5.3. Wireless transmission range: 10m. Signal to noise ratio: 90db. Battery capacity: 3.7V 1500mAh. Normal volume playing time: about 4 hours with LED Light off. Speaker driver: 57mm 1. Speaker power: 4 10W1. Frequency response: 120Hz-20KHz. Product size: 140.2mmx81.8x122.5mm. Product weight: about 456g not include accessories. Charging: 5V/1A. Charging time: about 2H. 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 the me