Jabra PRO 920 Mono Wireless Headset with GN1000 Remote Handset Lifter Wireless Single Earpiece Headset With Increased Clarity / Enhanced Security 3-in-1 Wearing Styles Earhook, Headband, & Earloop Connects To: Deskphone & is TAA compliant Magnetic ring tone detection / hidden installation Hear ring tone in the headset & answer and end calls / adjust the volume / mute microphone