I:safety certificate, data encryptionH:low power consumption mode/ high speed operation mode G:auto energy-saving mode F:workable distancec 5-10ME:storage temperature -40+85 D:working temperature -20~+75C:conform to Bluetooth hands-free standard (Hands-free Profile)V0.96 B:Class 2 standard (10 meters) A:compatible to Bluetooth 2.1 (standard)Technical Specification F: time displayE: synchronization/check/wipe Data D: answer/conversation/dialing/hangupC: incoming vibration for alert B: Unconnection warning after 5-10M(vibration warning) A: Callers name and number display (name and number)Main function
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