Plantronics M3000 Bluetooth Headset, Retro, Noise Cancelling: Mobile Phones, Smart Phones, Tablets: Amazon.co.uk: Computers & Accessories
Locating the Plantronics M3000 & M3500 date code
Plantronics M3000 and M3500 Bluetooth Headset Replacement Battery - Mr Positive NZ
ABLEGRID Car DC Adapter For PLANTRONICS M1000 M1500 M2500 M3000 M3500 Bluetooth Headset Power Supply Cord Cable PS Battery Charger Mains PSU - Walmart.com