– Power supply: 5 V, 1 A

– Frequency response: 20 Hz – 20 kHz

– Impedance: 30 ohm

– Sensitivity: 102 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 1.7.2,

– AVRCP 1.6.2, A2DP 1.3.2

– Bluetooth transmitter frequency range: 2.4 GHz – 2.4835 GHz

– Bluetooth transmitted power: 6 dBm (E.I.R.P)

– Driver size: 33mm / 1.30″ Dynamic driver

– Headphone Cable Length (m): 1.2

– Headphone Cable Length (ft): 3.937

– Ear Cup External Height (cm): 7.34

– Ear Cup External Height (in): 2.8897

– Ear Cup External Width (cm): 7.34

– Ear Cup External Width (in): 2.8897

– Ear Cup Internal Height (cm): 3.1

– Ear Cup Internal Height (in): 1.2205

– Ear Cup Internal Width (cm): 3.1 Ear

– Cup Internal Width (in): 1.2205 Ear

– Cup Depth (cm): 1.78

– Ear Cup Depth (in): 0.7008

– Headset battery type: Lithium-ion battery (3.7V / 450 mAh)

– Charging time: 2 hrs

– Music playtime with BT on: up to 57 hrs