Amazon.com: Customer reviews: Philips Wireless Headphones for TV Watching with Home Cinema Sound and Low Latency, Wireless TV Headphones with Bluetooth USB Transmitter Over The Ear Bluetooth Headphone Easy to use, 18h
6 x AAA Rechargeable batteries for Philips SBC HB550S Headphones 700mAh NiMh | eBay
Batterie téléphone résidentiel OTECH pour casque sans fil PHILIPS SBC HB 550L | Boulanger
Headphones Use Standard-sized But Proprietary Rechargeable Batteries | Hackaday
A little note about the batteries for the Philips SHC5100 wireless headphones. | Barrowbiker's Blog
6 X AAA Rechargeable batteries 550mAh NiMh Philips SBC HB550S Head phones $12.46 - PicClick AU