Bluetooth version : 4.1, Bluetooth profiles : HFP v1.6; HSP v1.2; A2DP v1.2; AVRCP v1.5, Bluetooth frequency : 2.402GHz-2.48GHz
Battery : Polymer Li-ion Battery (3.7V; 610mAh), Charging time (hours from empty) : 2.0, Talk time (hours) : 22.0, Maximum music play time with ANC off (hours) : 22.0, Maximum music play time with ANC on (hours) : 12.0, Play time (hours) : 22.0
Ear cushion material : Frog skin PU leather, Headphone cable length : 120cm