371030 3.7V 0.3wh Li-Polymer Battery For Plantronics explorer 55 bluetooth headset Bracelet Wrist toys Remote controller 401030 - AliExpress
Siivton Bluetooth Headset V5.1, Wireless Headset with Battery Display Charging Case, Bluetooth Earpiece with Noise Canceling Mic for Driving, Office, Business, Compatible with Cell Phone and PC - Walmart.com
Battery Replacement for the Plantronics CS540 Wireless Headset