Type: Bluetooth Connection Rated voltage: DC-12V Output frequency range: 20Hz~20kHz car : radio The product has a variety of functions, such as alarm clock, mp3 player, FM radio, etc.; Support USB, SD, TF, plug and play; Built-in Microphone, Incoming Display, Tip, ensue that you can catch every phone call. Suitable for any motorcycle and electric bicycle. 1. With display 2. Bluetooth playing function 3. Bluetooth call function 4. Can answer and cut off phone call 5. Mobile phone charging function 6. off memory function 7. Waterproof function 8. FM radio function 9. USB playing function 10. TF card playing function 11. Pause/play function 12. Support host making phone call Output : 2 x 15W Rated voltage: DC-12V Output frequency range: 20Hz~20kHz Operating temperature range: -30~+60 degrees Celsius Bluetooth control distance: 6 meters or more Mobile phone charging current: 800mA Standby mode current: 15mA colour:black Material:plastic size:audio host 120 x 60 x 60mm/472 x 236 x 236 inch speaker 100 x 85 x 85mm/394 x 335 x 335 inch Package Contents: 1 x Host 2 x Speakers 1 x Cord 1 x Pair of Speaker Stands 1 x Audio stand Only the above package content, other products are not included. Note: Light 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.