Unifire&reg; Solar Car Bluetooth 3.0 Hands Free Speaker Kit Suction Installation with Speakerphone Hf-710 for Iphone 6 6plus 4 4s 5 5s 5c Samsung Galaxy Note Nokia Blackberry Compatible Bluetooth Specification V3.0+EDR; operating Frequency Band: 2.4GHz ~ 2.48GHz unlicensed ISM band. Class 2 Output Power up to 10 meters. Support Headset and HandsFree profiles;support Multiple paired,allows a speakerphone connect to two phones. Integrated with echo cancellation and Noise suppressor;built in speaker and microphone. Portable universal solar power bank ,stick on windscreen to charge,internal battery can be charged by the solar panel or through the original USB cable.