①. Features: ①.1. Accompany you to listen to radio stations of different frequencies ①.2. Bluetooth 5.0 version, which enables fast connection, stable signal, low power consumption and no distortion ①.3. Supports listening with headphones, allowing music to fill your own space ①.4. USB fast charging, more convenient ①.5. Portable strap design, easy to carry, listen to music anywhere ②. Product Specifications: ②.1. Product Model: F21 ②.2. Speaker Configuration: 1.5-inch dual magnetic speaker ②.3. Rated Power: 3W ②.4. Frequency Response: 100HZ-18Khz ②.5. Bluetooth Version: 5.0 ②.6. Battery: Polymer battery 750mAh ②.7. Input Power: DC 5V/1A ②.8. 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: ⑤.1. 1 x Radio ⑤.2. 1 x TYPE-C Interface Charging Cable ⑤.3. 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.