Bluetooth USB 4.0 Dongle Adapter smallest Bluetooth adapter V4.0 EDR USB Dongle PC Laptop for Raspberry Pi 2

Features:

1. Bluetooth low energy radio USB adapter
2. Dual-mode Bluetooth transfer
3. Low-power selectable 1.2 to 3.6 VI/O
4. Supporting Bluetooth voice data
5. Supporting multi languages
6. WLAN coexistence interface
7. Plug and play