Type: Bluetooth Connection Rated voltage: DC-12V Output frequency range: 20Hz~20kHz Car tool: radio moto The product has multiple functions, such as alarm clock, MP3 player, FM radio, etc. Supports USB, TF card, plug and play Built-in microphone, incoming call display, prompt tone, ensures that you can catch every phone call Suitable for any motorcycle and electric bicycle 1. With display 2. Bluetooth playback function 3. Bluetooth call function 4. Can answer and end phone calls 5. Mobile phone charging function 6. Power-off memory function 7. Waterproof function 8. FM radio function 9. USB playback function 10. TF card playback function 11. Pause/play function 12. Supports host making phone calls Output power: 2 x 15W Rated voltage: DC-12V Output frequency range: 20Hz~20kHz Operating temperature range: -30°C to +60°C Bluetooth control distance: 6 meters or more Mobile phone charging current: 800mA Standby mode current: 15mA Color: black Material: plastic Size: audio host 120 x 60 x 60mm / 4.72 x 2.36 x 2.36 inch Speaker 100 x 85 x 85mm / 3.94 x 3.35 x 3.35 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm