explain: "High definition LED display screen" adopts a high definition LED display screen and a large digital display screen, with time/power display, making it easy to read during the day or at night. 5 buttons, easy to operate. [Bluetooth compatible 5.0] Bluetooth compatible 5.0 is adopted, ensuring stable and fast wireless transmission. Support TF card playback, enjoy different music playback methods, stereo playback. Not only is it a speaker, but also an arm clock with FM radio function. [USB rechargeable] Built-in rechargeable battery, long working time, equipped with a USB charging cable, which can be charged from a computer, charging bank, or any device with a USB port. [Various occasions] This simple arm type clock speaker can be stably placed on the table, making it a perfect complement to any bedside, workplace, bookshelf, living room, office, kitchen, etc. [Great Gift] Made of ABS material, it is durable and durable. This cute cartoon arm clock speaker is stylish, practical, and portable, making it a great gift choice for family and friends. standard: Material: ABS Dimensions (L x W x H): approximately 8x10x11cm/3.15x3.94x4.33 inches Screen: LED mirror screen Bluetooth compatibility: 5.0 Distance: approximately 10 meters/393.7 inches Power supply: 1x 1200mAh rechargeable battery (built-in) Playback time: about 4-5H Symbol noise ratio: 80db Frequency: 100HZ-20KHZ Output power: 3W Item NO.41558999