New Plantronics Backbeat Pro 2 Wireless Headphones Noise Canceling Bluetooth Earphone + Mic With Rich Immersive Audio For Xiaomi - Earphones & Headphones - AliExpress
BackBeat PRO 2/BackBeat PRO 2 SE Date Code Location
Amazon.com: Poly (Plantronics + Polycom) Plantronics BackBeat PRO 2 Headphones - Wireless Noise Cancelling - Black Tan, Black and Tan : Electronics
Plantronics BackBeat Pro 2 review: The value alternative to Bose's QuietComfort 35 - CNET