1. Features: 1. Accompany you to listen to radio stations of different frequencies. 2. Bluetooth 5.0 upgraded version, with fast connection, stable signal, low power consumption and no distortion. 3. Supports listening with headphones, allowing music to fill your own space. 4. USB fast charging, more convenient. 5. Portable strap design, easy to carry, listen to music anywhere. 2. Product Specifications: 1. Product Model: F21 2. Speaker Configuration: 1.5-Inch Dual Magnetic Speaker 3. Rated Power: 3W 4. Frequency Response: 100HZ-18Khz 5. Bluetooth Version: 5.0 6. Battery: Polymer Lithium Battery 750mAh 7. Input Power: DC 5V/1A 8. Basic Functions: BT/TF/USB/FM/Digital Song Request, Lossless Music Playback, Full-Mode Recording, One-Click Delete Function; FM Radio supports campus radio, frequency range 70-108MHZ; Headphone Jack [-VOL+] Volume Knob 3. Material: plastic 4. Colour: black 5. Package Contents: 1 x Radio 1 x TYPE-C Interface Charging Cable 1 x Lanyard Only the above package content, other products are not included. 6. 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.