iKross Solar Bluetooth Handsfree Multipoint Speakerphone Car kit for Ipad Samsung Asus Acer Dell Google Tablet Multi-Point: Allows Bluetooth connectivity with two devices at the same time. Auto-Power On: No need to shut off speaker each time you exit your car, built-in solar panel allows for auto-power at all times. Multi-Function Button: Answer, end and reject phone calls. Additional features such as redial, voice dial & call transfer from phone to speaker and vice versa. (Additional features limited to your phone's capabilities) Volume adjustment with mute feature. Built-in rechargeable battery with solar panel. Recharge speaker with charging cable or direct sunlight. Advanced built-in microphone with echo cancellation and noise suppression. LED charging and pairing indicator lights. NOTE: Solar panel only allows up to 50-60% recharge. You must charge via USB to achieve a full battery charge up to 100% capacity.