HIFI lossless sound quality:Use speaker unit with enhancement to make the sound performance big and powerful. Upgrade Bluetooth 5.0.:Faster transmission, lower power consumption, stronger anti-interference ability, simple connection, free play. Compact and portable:Compact and , can be held in one hand, portable, does not take up space in the backpack. Interconnection:Bluetooth interconnection, shocking stereo sound, restore theater level sound effect. Multiple playback modes:Support radio, Bluetooth playback, TF card playback, U disk playback, headphone listening. Long-lasting battery life:1200mAh high-capacity battery, battery life of about 4-6 hours, enjoy music anytime, anywhere. Product Name: Pocket Bluetooth Speaker Power supply: DC5V Battery capacity: 1200mAh lithium polymer battery Rated power: 3W Charging time: about 3-5h Playing time: about 4-6h Support reading: U disk TF card Other functions: recording function, Bluetooth connection, radio function Colour:A:Black Material:ABS Package Contents: 1 x Bluetooth Speaker 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.