Bluetooth 3.0 with aptX audio enhancement NFC Multipoint connectivity HD Voice Noise cancellation Weighs 15.8 grams Ear coupling: In-ear canal Speaker type: 5.8 mm dynamic Microphone: Dual MEMS Responsive music remote controls and call/music volume controls. 115 mAh battery with Talk time of up to 8 hours and Standby time of up to 400 hours