T&G TG-442 TWS Bluetooth V5.3 Mini Round Portable Wireless HiFi Speaker with Lanyard Design

T G. Specifications: Model: TG442. Wireless: V5.3. Working Distance: 10M. Signal-to-noise ratio: 90db. Battery Capacity: 3.7V about 500mAh. Normal Volume Playing Time: 2 hours. Speaker Driver: 45mm1. Speaker Power: 4 3W1. Frequency Response: 150Hz-20KHz. Product Size: 909048mm. Product Weight: About 174g not include accessories). Charging: 5V/500mAh. Charging Time: 1.5 hour. 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. It will close automatically after 30 mins if disconnect wireless. Support TWS