Standards & Protocols: Bluetooth 5.0 (backward compatible with V4.0, 3.0, 2.1, 2.0, and 1.1).
Hardware Interface: USB 2.0 Type-A.
Dimensions: 14.8 × 6.8 × 18.9 mm (0.58 × 0.27 × 0.74 in).
Weight: Approximately 2 grams.
System Requirements: Supported on Windows 11, 10, 8.1, and 7.
Simultaneous Connections: Can link up to 7 Bluetooth devices at once.