Audio Speaker with Radio and SD card

Audio Speaker with Radio and SD card AMP Freq Range80Hz-18kHzS/NMore than 80dBLine input3.5mmWorking Time4-5HoursLiBattery Capacity700mABattery Voltage3.7VBattery Charging Voltage4.3VBattery Charging Time4HourRating Power3W+3WImpedence4 ohmPower Supply Inputmini USB(5V/500mA)Colorpink/blue/blackPlace of origin: Guangdong China (Mainland)Brand Name: Cool leopard prince, OEMPackaging & Delivery:Packaging: Packed ingift box then in carton (carton dimension can be designed by customer)Delivery: Depend on quantitySpecification:Audio Speaker with Radio and SD card 1. Used for MP3, MP4, Mobile Phone, Computer, iPod, etc 2. Built-in FM transmitter,stereo transmitter.3. Built-in SD card slot, supportSD card from 32MB to 8GB4. With 206 channels and frequency range: 87-108MHz.5. With Fade-in, fade-out function, to protect the speaker from damage.6. With 3.5mm audio jack for connecting any audio devices7. Built-in exteral Rechargeable Li battery and can also be recharged by USB power8. Beautiful and portable design will be convenient to your life.Parameters:Audio Speaker with Radio and SD card ·Voltage: DC 6-9V ±0.5V/500MA ·Frequency Response:80-18kHz·Working Current:500MA·Distortion≤0.3%·Speaker Impedance:4Ω*2·Signal And Noise Ratio of power amplifier: > 80dBAccessories:1. An instruction manual2. A USB cable3.an audio cable4.Li Battery