pure bass, 20 hrs of combined playback, stay connected not wired, on.the.go controls, Hands free, fuss free stereo, steek convenient charging case

Frequency range 20 Hz - 20 kHz
Sensitivity 105 dB SPL
Maximum sound pressure level: 98 dB SPL
Microphone sensitivity -30 dBV bei1 kHz/Pa.
Impedance 32 Ohm
Membrane size: 12 mm dynamic membrane
Weight: 56 g
Bluetooth version: 5.0
Headset battery type: Lithium-ion battery (22 mA/3.85 V)
Battery type: Lithium-ion battery (410 mA/3.85 V)
Charging time<: 2 hours from empty battery
Music playback time with BT switched on: 3 h
Total music playing time with charging box: 19 h.