•Advanced BT chip and circuit design techniques, support all BT device •Built-in low-freq radiators, super dynamic low-frequency sound pressure gain, clear and transparent sound •Can play music after pairing with BT device such as mobile/MID/ TV, the working distance is more than 10M •Support AUX IN audio input •Built-in MP3 decoding, support TF card and U disk •Build-in the FM radio module, convenient to auto scan and save radio channels •With mic for hands-free phone call function •Support TWS Specifications: •Bluetooth-compatible version: V5.3 •Transmission range: 10M •Audio to noise ratio: 85DB •Battery capacity: 1800mAh •Built-in voltage: 3.7V •Playing time: 8H •Speaker size: 52MM •Speaker power: 4Ω/5W •Charging input: 5V/500ma •Product size: 80*80*185MM •Product weight: 454G •Functions: Bluetooth-compatible function, FM radio, USB, TF card, call function, portable Package included: •1 x Portable Bluetooth-compatible Speaker •1 x USB Cable •1x English and Chinese User Manual