Product Description

Red Iphone 4 FM Transmitters 1300mAh Li-Pol A Grade Battery   Ower you life, enjoy your music anywhere Seenda power magic gives you full access to charge your mobile .  Just simply plug its 30pin connector into your apple devices. Meantime it support charging other mobiles and digital devices via USB output port. Seenda power magic's wireless FM transmitter ability lets you listen to your iphone or iPod on your car's FM radio. It also charges so you can keep your favorite music playing for the longest road trip. It is simple to use, just plug the 30 pin connector .  For other music player or mobile phone FM transmitter ability was fulfilled via 3.5mm earphone jack. Seenda Power magic brought our trend-setting FM transmitter technology together with an intuitive hands free microphone, so you can talk on your mobile phone without taking your attention away from the road.    Description    Battery  1)Input: 5pin Mini USB 5V-0.5A  2)Output: 30pin standard iphone interface and USB interface 5V-1.0A  3)Capacity: 1300mAh  4)Battery cell: Li-Polymer  5)Compatibility: Work with iPhone  through 30pin interface and work with most of digital products through USB output port.  6)Standby: 200 hours  7)Demission: TBD  8)Charge time: 3~4 hours   FM Transmitter  1)3.5mm audio input earphone interface and work with most of music player has 3.5mm earphone jack 2)Frequency: 76~108MHz , adjust frequency by press button + and - by 0.1MHz Technology 1)Tested all battery cells with HTTTM (High Temperature Test) technology using EU standards 2)UL certification 3)SGS inspection RoHS standard as earthfriendly products 4) All our Device has High quality Protection Circuit Module   Hands free speaker 1) Frequency response: 20Hz-20 KHz 2) Working range: 3-9 meters 3) Sensitivity: =50dB 4) Working electric current: 50mA 5) Standby electric current:90µA 6) Power: built-in battery 7) Audio input: 3.5mm stereo earphone jacket 8) Working electric current:50mA 9) Microphone sensitivity: -42 ± 3 dB   1. “+” button :   press it to select the appropriate channel with good reception. Press it once.to add 0.1 MHz of frequency 2. “-” button :   press it to select the appropriate channel with good reception. Press it once  to deduce 0.1 MHz of frequency. 3. earphone jack:   plug the earphone jack into your mobile phone then this device can transmit  music to radio wave, you can receipt the radio signal and play it out when     you have a radio nearby. 4. Fn button:    when press the Fn button those 4 blue light led lights will show the battery charge level, from full to low power alert. 5. Blue light led lights:  LED lights from left to right 1st LED lights up  power<25% 2nd LED lights up  power 25-50% 3rd LED lights up  power 50-74% 4th LED lights up  power 75-100% When power is less than 25% those 4 LED lights will blinking to warning the low power.   1).Slide track slide track on to cover the 30 pin charge connec