3W speaker:Built in 57mm speaker, compact design, high volume. Bluetooth 5.2:Wireless Bluetooth connection, effective connection distance of 10 meters, more stable. Multiple playback modes:Supports Bluetooth playback, TF card playback, and USB playback to meet your different playback needs. Emergency flashlight:In case of unexpected situations, you can use a flashlight for lighting. Short press the bright light, long press the light to burst, and never fear the darkness again! Parameters: [Size]: 180X66X113mm [Horn]: 57mm 4Ohm 3W [Battery capacity]: 800mAh (18650) [Bluetooth version]: 5.2 [Play time]: 2 hours [Supporting functions]: FM/AM/SW, Bluetooth, USB flash drive, TF, flashlight, solar charging, hand cranked charging Colour:black Material:ABS note:Radio random colors, don't accept the specified color Package Contents: 1 * Radio 1 * Data 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.