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. Specifications: [Size]: 180 x 66 x 113 mm [Speaker]: 57mm, 4 Ohm, 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 assigned and cannot be specified. Package Includes: 1 x Radio 1 x Data Cable Contents limited to items listed above; other accessories not included. Note: Lighting conditions and display settings may cause slight variations in color between the product image and actual item. Measurement allows for a margin of error of +/- 1-3 cm.