... functions;B, personalized ears shell design free to change; C, a key to answer calls, dial-up function;D, built-in lithium ... , HFP, A2DP, AVRCP, HID, FTP, Dial-up Networking, SPP, LAN access, Syn-chronization, Fax, PAN, BPP, OPP Power Supply: +3.3 ...