No tools required to install original WS4 back-neck headsets to this one
Transfer original, no distortion audio signal.
Better mechanical lock system design than original one, won’t snap.
Rainproof protection design
Most comfortable over-ear headphones for metal detecting Easy servicing – all parts replaceable
Close structure for better noise isolation
Super lightweight for long time wearing
Come with audio output for connect with detector thru wire.
Operating principle : Closed
Wearing Style: Over-ear
Frequency response: 20,000Hz
Nominal impedance: 32ohm
Sound pressure level: 111dB
Power handling capacity: 100 mW
Max. sound pressure level: 131 dB
Sound coupling to the ear: Supra-aural
Headband pressure: 3.0N
Charging: USB 2.0