– Power supply: 5 V, 1 A

– Frequency response: 20 Hz – 20 kHz

– Impedance: 32 ohm

– Sensitivity: 101 dB SPL@ 1kHz 1mW

– Maximum SPL: 95 dB

– Microphone sensitivity: -40 dBV@1kHz/Pa

– Maximum operation temperature: 45 °C

– Bluetooth transmitter modulation: GFSK, π/4-DQPSK, 8-DPSK

– Bluetooth version: 5.3

– Bluetooth profile version: HFP v1.7.2, AVRCP v1.6.2, A2DP v1.3.2

– Bluetooth transmitter frequency range: 2.4 GHz – 2.4835 GHz

– Bluetooth transmitted power: ≤ 10 dBm (E.I.R.P)

– Driver Size: 40 mm / 1.57 “ Dynamic driver

– Weight: 220 g / 0.485 lbs

– Headphone Cable Length (m): 1.2

– Headphone Cable Length (ft): 3.94

– Ear Cup External Height (cm): 7

– Ear Cup External Height (in): 2.75

– Ear Cup External Width (cm): 7

– Ear Cup External Width (in): 2.75

– Ear Cup Internal Height (cm): 9.3

– Ear Cup Internal Height (in): 3.66

– Ear Cup Internal Width (cm): 7.6

– Ear Cup Internal Width (in): 3

– Ear Cup Depth (cm): 4.8

– Ear Cup Depth (in): 1.9

– Headset battery type: Lithium-ion battery (3.7V / 500 mAh)

– Charging time: 2 hrs from empty

– Music playtime with BT on: up to 76 hrs