Built-in 57mm speaker, compact design with high volume output. Bluetooth 5.2 enables wireless connection with a stable range of up to 10 meters. Supports multiple playback modes including Bluetooth, TF card, and USB for versatile o options. Features an emergency flashlight function: short press for steady light, long press for strobe mode, ideal for low-light situations. Product parameters: [Dimensions]: 180 x 66 x 113mm [Speaker]: 57mm 4Ohm 3W [Battery capacity]: 800mAh (18650) [Bluetooth version]: 5.2 [Play time]: Up to 2 hours [Supported functions]: FM/AM/SW, Bluetooth, USB, TF card, flashlight, solar charging, hand crank charging Color: gold / black Material: ABS Note: Radio color is randomly selected and cannot be specified. Package includes: 1 x Radio 1 x Data Cable Items shown in pictures other than the above are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement tolerance: +/- 1-3cm.