... control buttons - Bluetooth v2.1 Flower design Bluetooth wireless headset for iphone A, play, pause functions;B, personalized ears shell ... , avoid duplication of wireless connection to code;H, support for bluetooth V2.1 standard version, backward compatibility V1.1, ... Authnticaton and encryption Supported: HSP, HFP, A2DP, AVRCP, HID, FTP, Dial-up Networking, SPP, LAN access, Syn-chronization, Fax, PAN ...