The CS520 Spare Headset from Plantronics is the Savi replacement headset for the Plantronics CS520 wireless headset system. It will sync up with your existing CS520 or CS510 wireless charging base. It is comfortable to wear and will replace your broken or lost headset. This headset will not function without the CS500 charging base.

Binaural Earpiece    Convertible Headset    DECT 6.0 Wireless Technology    Noise Canceling Microphone    Enhanced DSP    Syncs with Existing CS520/CS510 Base    Comfortable to Wear    Up To 350' Roaming Range    Works with CS520 and CS520+HL10

It will easily sync up with your existing CS520 or CS510 wireless charging base.

DECT 6.0 delivers stronger voice and sound quality than you are used to having. It gives you higher protection against eavesdropping than older phones. You can talk almost anywhere in your home or office and say goodbye to annoying static or background noise

It is easy and comfortable to wear

Related Questions and Answers

Q: 1. Is this compatible with the Polycom phones?

A: Check out the compatibility guide: https://compatibility.plantronics.com/deskphone

Q: 2. Does it work with Avaya 9608 desk phone?

A: This model is not rated to be compatible with Avaya phones.

Q: 3. Is this compatible with a plantronics c054/cs540 base?

A: The Poly CS520 Spare Headset only shows compatibility with a CS520 or CS510 wireless charging base.

Q: 4. Hi I cant seem to fit the CS540 telephone interface cable on my home phone. My home phone rj connector looks slightly larger. Do i need to change my home phone or can i get a telephone interface connector from plantronics that will match my home phone?Thanks

A: Your home phone connector is RJ11 and the Plantronics connector is RJ9, which is the standard for commercial phone headsets. You can buy an adapter that's RJ9 to RJ11 to solve your problem.

Q: 5. will this fit on the plantronics C054 earpiece?

A: We ordered these for our CS540 headset, and they work great!

Q: 6. Can I use this wireless Headset as a Bluetooth earpiece for my iPhone X or other smart phone?

A: Yes, this item can be connected over Bluetooth and used as an earpiece for iPhone X or other Bluetooth compatible phones and devices.

Q: 7. Will this device work for remote/bluetooth answering with the APP-51 hook switch?

A: Yes, as long as the phone supports electronic hook switch.

Q: 8. I have Avaya 1416 digital sets that plug into Avaya ip-500 control unit.Goes into combo card or ds-8 station module,will cs0540 plug into 1416 sets?

A: The CS540 and Avaya 1416 are compatible. You will need this adapter: Plantronics APV-63 Electronic Hook Switch for Avaya B&H # PLAPV63 MFR # 38734-11

Q: 9. Can I use this headset as a Bluetooth earpiece with my iPhone or other smart phone?

A: Yes, this item can be connected over Bluetooth and used as an earpiece for most Bluetooth compatible phones and devices.

Q: 10. Does this product also include the option pieces for a monoaural ear piece with a headband?

A: I'm not sure what a monaural ear piece is but it does include the headband and the ear piece. The ear piece can be detached and worn separately like a blue tooth earpiece for your cell phone. It unclips from the headband with ease and is comfortable to be worn with or without the headband.