5pcs/set Mini Wireless USB Bluetooth 4.0 CSR4.0 Adapter Dongle Nano Wavlink Portable for PC Laptop Tablet Win 10 XP Vista 7 8|usb bluetooth 4.0|wireless usb bluetoothusb bluetooth - AliExpress
Bluetooth 4.0 USB Micro Adapter CSR 8510 A10 Chipset, View Bluetooth 4.0 USB Micro Adapter, Product Details from Shenzhen Higi Technology Co., Limited on Alibaba.com