M15 Portable Bluetooth V5.3 Wireless Dual Bass Sound Easy to Carry Speaker with Strap and Colorful Lights

T G. Specifications: Model: M15. Bluetooth: V5.3. Wireless transmission range: 10m. Signal to noise ratio: 95db. Battery capacity: 3.7V 1200mAh. Normal volume playing time: 2 hours. Speaker driver: 52mm plus 2. Speaker power: 4 5W2. Frequency response: 120Hz-20KHz. Product size: 22396*105mm. Product weight: 620g. Charging: 5V/500mAh. Features: International advanced bt chip and circuit design techniques, support all BT device. Built-in Low-freq radiators, Super dynamic low-frequency sound pressure gain, listening transparent and flexible. Can Play music after pairing with BT device, For example mobile/MID/TV, the working distance is more than 10M. Support AUX IN audio input. Built-in MP3 decoding, can directly play TF Card, U disk. Build-in the FM radio module, convenient to auto scan and save radio channels. With Mic for hands-free phone call function