Padmate MH315 Wireless Bluetooth Home Phone, Cordless Bluetooth Handsets, Black Substituting to mobile phone as a communicating tool, whale blue tooth phone(exclusive model) can also be used as a phone charger. It bears many functions including answering, refusing, redialing, call waiting and volume regulating. High voice quality protects us from headache, tinnitus and radiation caused by long time phone call. The inner polymer lithium battery bears two weeks` standby time or 15 hours` holding time 10 meters` operating range makes it more convenient for phone calls meanwhile the original voice from mobile phone will be reserved.