Simplecom NB410 Bluetooth USB 5.1 Adapter Wireless Dongle – Bluetooth Protocol: Bluetooth V5.1 (Dual Mode) – Interface: USB 2.0 – Input Power: USB 5V (USB Power) – Operating Frequency: 2.402-2.480 GHz – Transmission Range: 10~20M – Profiles: SPP, BLE, ANCS, HFP, HCRP, A2DP, AVRCP – Dimension: 27(L) x 14mm(W) x 8mm(H) – Supported OS: Windows 7, 8, 10 (32/64bit) – NB410 – 12 Months Limited Warranty