Welcome to the store! Product Features: Air voice intercom, Bluetooth connection playback, Bluetooth hands-free calling, clock display, alarm clock, RGB breathing light, TF card playback, FM radio, USB sound card, TWS pairing, spectrum display, AUX external audio input. Audio Output Power: 6W() Distortion: +N=1% Frequency Response: 40HZ-17KHZ Bluetooth Version: 5.1+ Product Name: Mecha Little Bluetooth Audio Product Model: M10 Bluetooth Transmission Frequency: 2.4-2.48G Receiving Distance: 5-15m Charging Voltage and Current: DC 5V1 Battery Capacity: 1800mAh Power Supply Voltage: 3.7V/18650 Lithium Battery Horn Size: 40 square external magnetic PU edge 4R-5W Product Size: 134.56x120.29x133.56mm Color: A: Black Material: Plastic Package Contents: 1 * Bluetooth Speaker 1 * USB 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 to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!