Unclip the headset control of the WS4 backphone, insert it into the wristband, and so connect your own headphone, display the target ID on your wrist, access all settings … • The WS4 alone can control DEUS • Display the Target ID on your wrist • Connect your own headphone • Ultra-light portable configuration: only weighs 875g • Adjustable wristband, even over a coat • Rainproof • Allows you to use all these features: Discrimination - Sensitivity - 4 frequencies - Ground Balance - From 2 to 5 tones - Pitch , Full Tones - 10 factory programs - 8 empty slots for you to save - Indicates the target’s ID - Volume - Choice of coil - Battery condition displayed