General Specifications
Plug : 3.5mm (1/8″) stereo mini-jack
Dynamic driver : 40 mm
Frequency response : 20-20kHz
Sensitivity : 95dB
Maximum SPL : 108dB
Microphone sensitivity @ 1kHz dB v/pa-42
Impedance : 32 ohm
Weight (g) : 258g
Control and Connection Specifications
Bluetooth transmitted power : 0-4dbm
Bluetooth transmitted modulation : GFSK, π/4DQPSK, 8DPSK
Bluetooth frequency : 2.402GHz–2.48GHz
Bluetooth profiles : HFP v1.6, HSP v1.2, A2DP v1.2, AVRCP v1.4
Bluetooth version : V4.1
Battery
Battery type : Polymer Li-ion Battery (3.7V, 610mAh)
Charging time : 2 hours
Music play time with BT on and ANC on : Up to 15 hours
Music play time with BT off and ANC on : Up to 30 hours
Music play time with BT on and ANC off : Up to 24 hours
Talk time with BT on : Up to 24 hours