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This is the spare or replacment PTT remote for the CA22CD-DC Wireless Headset System. comes with battery. Spare PTT only does not include the base.

For more information and specs see Poly CA22CD-DC datasheet and Poly CA22CD-DC user Manual

Old Poly part # 218400-03

New HP part # 85Q91AA

*Important Note on Returns: Due to the manufactures policy, this is a special order item.  All Sales are FINAL.  It's not returnable, not refundable under any circumstance.  If it's defective, Plantronics/Poly will replace it for you under warranty