Amazon.com: Synergy Digital Wireless Headset Battery, Works with Plantronics C054 Wireless Headset, (Li-Pol, 3.7V, 140 mAh) Ultra Hi-Capacity, Compatible with Plantronics CS540 Battery: Office Products
Amazon.com: Compatible Plantronics Battery Replacement for CS540 and C054 Wireless Headsets
Plantronics Voyager 5220 Bluetooth Headset with Amazon Alexa Black 203600-63 - Best Buy
Plantronics M20 Bluetooth? Headset - 11 Hours of Talk Time - Pair two phones and take a call from either one - iPhone dis… | Headset, Bluetooth headset, Plantronics
Amazon.com: Replacement for Plantronics CS50/CS55 Headset Battery 65358-01 64327-01 64399-01 Compatible with Plantronics CS510 CS520 Savi W410 W420 W710 W720 Wireless Headset CS60, Pack of 2: Electronics
Amazon.com: Artisan Power Replacement Battery for Plantronics CS50, SC55, and CS50-USB Headset: Office Products