USB mini sized Bluetooth 4.0 dongle Allows connecting Bluetooth keyboards, mice, speakers, phones, tablets, etc to your PC Up to 50 m operating distance Bluetooth 4.0 - high-speed data transfer and low power consumption Suitable for streaming high quality stereo music Specifications Interface: USB 2.0 Bluetooth specification: v.4.0, downwards compatible with v.3.0 or older, CSR chipset Frequency band: 2.402 - 2.48 GHz ISM Power: class II, RF power up to 8 dBm (max. EIRP), sensitivity -84 dBm, Working distance: up to 50 m (in the open air) Data transfer speed: up to 24 Mbps APT-X: supported Antenna type: internal antenna, gain in dBi (typical): 0.8 dBi Dimensions: 22 x 15 x 7 mm Net weight: 3 g System requirements Windows 10 Free USB port