Audio
Driver : 40 mm (1.5") dome type (CCAW adopted) diaphragm
Magnet : High-energy Neodymium
Frequency Response - Effective Range : 20 Hz to 20 kHz (44.1 kHz sampling)
Impedance : 40 Ohm at 1 kHz (Passive mode)
Noise Level : ON/OFF switch on earcup
Selectivity : One-touch listening with NFC manual Bluetooth pairing
Sensitivity : 100 dB/mW (Passive use)
Sound Enhancement : SBC, AAC, and Apt-X codec support
Volume Control : Yes

Hardware
Cable : One single-sided, tangle-free cord: Stereo, detachable
Headphones : Closed supra-aural, Dynamic
Microphone : Omnidirectional, electret condenser (100 Hz to 4 kHz frequency range -40 dB (0 dB = 1 V/Pa)
Remote Control : Via AVRCP: Play, Stop, Pause, FF, FR

Wireless
Bluetooth :
Version 3.0
2.4 GHz band (2.4000 GHz to 2.4835 GHz FHSS)
NFC : One-touch Listening with NFC (Near Field Communications)
Network Transport Protocol :
A2DP (Sampling frequency 44.1 kHz)
Transmission Range: 20Hz to 20 kHz
Line of sight approximately 10 m (30')

Power
Battery Charge Time : 2.5 hours, approximate
Indicators : LED (red/blue) battery indicator
Battery Life : Up to 17 hours (approximate) continuous music playback or communication time
Up to 450 hours (approximate) standby time
Battery Type : Built-in lithium-ion rechargeable battery
Power Handling : 1000 mW
Power Source : DC 3.6 V built-in lithium-ion rechargeable battery

General
Cable Length : Stereo Connecting Cable: 1.2 m (47.25")
Connector : 3.5 mm (1/8") L-Shape gold-plated mini plug
Weight : 210 g (7.41 oz), approximate, including rechargeable battery

Stereo Connecting Cable
micro-USB Cable
Carrying Pouch