Marshall Major IV On-Ear Wireless Headphones

DRIVER SENSITIVITY: 99 dB SPL (100mV @ 1kHz)
DRIVER TYPE: Dynamic
DRIVER IMPEDANCE: 32 Ω
FREQUENCY RANGE: 20-20,000 Hz
DRIVERS: 40 mm
PLAY TIME: 80+ hours of wireless playtime
WIRELESS CHARGING: Yes
ECO CHARGING: No
QUICK CHARGING: 15 minutes charging gives 15 hours of wireless playtime
CHARGING TIME: 3 hours to full recharge
COLLAPSIBLE: Yes
HEADPHONE TYPE: On-ear
WATER RESISTANCE: No