Hands-free talking for iphones & other smart phones
Mini FM Transmitter with LCD-Display
Compatible with iPod/iPhone/mobile phones with 3.5mm earphone jack.
With 3.5mm earphone plug
Built-in rechargeable lithium battery constant working for 90 minutes

Band: FM radio frequency, 88.1~107.9 MHz, 0.1 MHz/interval
Frequency response: 20Hz~20KHz
Power supply: Built-in rechargeable lithium battery
Remote control effective range: 3~5m
Working Voltage/current: : 3.3V/25mA
SNR: ≥ 45dB (1KHz, 100%)