1. Designed and engineered to shield and avoid annoying iPhone GSM noise 2. No airplace mode is required 3. It supports Bluetooth and allows you to wirelessly dial and receive calls through its speakerphone function and to see clearer caller ID on LCD display 4. Dual alarm clock radio allows ou to wake and sleep to your iPhone music 5. Radio or buzzer and to set separate alarm times and days 6. Stream you music wireless from your A2DP Bluetooth-enabled device through the speaker chambers to enjoy beautifully enhanced audio suond 7. Remote control 8. Signal to Noise Ratio: < 60dB/Rated Output: 1W * 2 /Impedance: 8 OHM /Frequency: 300Hz ~ 18KHz 9. Play and charge your iPhone or iPod 10. Wirelessly stream music from your Bluetooth-enabled phone, PDA or computer; Controls Bluetooth-enabled cell phone and other devices 10. Supports Handfree, headset, AVRCP, and A2DP bluetooth profiles 11. Speakerphone with built-in mic to answer and place calls using your iPhone or Bluetooth-enabled cell phone 12. Dual alarm allows separate wake times