Philips Oneblade Pro QP6510 - Disassembly/Switch Fix - YouTube
Philips Norelco Oneblade Hybrid Electric Trimmer and Shaver, Rechargeable, Black QP2520/70 - Walmart.com
Amazon.com: Philips Norelco OneBlade 360 Face + Body, Hybrid Electric Razor and Beard Trimmer for Men with 5-in-1 Face Stubble Comb and Body Hair Trimmer Kit, QP2834/70 : Beauty & Personal Care
Philips Norelco OneBlade Servo Motor Replacement - iFixit Repair Guide