Full Range Internal Magnetic Reinforced Speakers Stereo sound/loud volume/high reproduction Exclusive ambient light Put it in your bedroom to light up the night. Exclusive Time Display Synchronize your cell phone time FM radio Equipped with high sensitivity radio antenna, the radio effect is more clear and stable. Wireless Bluetooth Connection Equipped with Bluetooth 5.4 transmission efficiency, support up to 8-10 meters bluetooth connection. Support multiple playback modes Support Bluetooth connection, U disk playback, TF card playback, FM radio, AUX connection, to meet your different playback needs. Large capacity 1800mAh battery Default volume can be played continuously for about 6-8 hours, enjoy your . Technical specifications 1. Bluetooth version: version 5.4 2. Output: Bluetooth TF USB drive AUX output FM 3. Charging source interface: USB interface 4. Speaker power: 4 ohms * 5W 5. Rated power: 5W*2 6. Frequency response: 80Hz-18KHz 7. Noise ratio: 80dB 8. Bluetooth output distance: 8-10 meters (obstacle free) 9. Power input: DC 5V 1800MA 10.Size:21 x 6 x 10.6cm Color: Picture color Material: Plastic Package Contents: 1 * Retro Bluetooth Speaker Only the above package content, other products are not included. 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.