USB2BT PLUS [ADU2B02P] [assembled] from Bit Trade One on Tindie
Convert Your Favorite HID Device to BlueTooth! ”USB2BT PLUS” Bit Trade One USB Powered Supplies - Size: W76 x D35 x H16 mm (protrusions), Operating temperature: 0 ~ 40 ℃ (without condensation),
USB To Bluetooth Convert Adapter USB2BT ADU2B01P from JAPAN 4562469770147 | eBay
ADU2B02P USB2BT PLUS — ビット・トレード・ワン 公式オンラインショップ BTOS