Gomadic Intelligent Compact AC Home Wall Charger suitable for the Plantronics Voyager 520 - High output power with a convenient, foldable plug design - Walmart.com
PLANTRONICS Voyager 520 Bluetooth Headset Review - YouTube
2 Ear-Loops with Metal Pins and 2 Earbuds for Plantronics Voyager 520 521 835 713869837006 | eBay
NEW 2 Ear-Clips with Metal Pins & 2 Earbuds for Plantronics Voyager 520 521 835 | eBay
User manual Plantronics Voyager 520 (English - 38 pages)