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 audio options. Features an emergency flashlight function: short press for steady light, long press for strobe mode, ideal for low-light situations. Specifications: [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 radio, Bluetooth, USB drive, TF card, flashlight, solar charging, hand crank charging Color: Gold / Black Material: ABS Note: Radio color is randomly selected and may vary. Includes 1 x Radio, 1 x Data Cable. Other items not included. Due to lighting and display differences, actual product color may vary slightly from images. Size may vary by +/- 1-3cm due to manual measurement.