Features: Unlocks rapid data transfer and strong signal reception with the advanced 5.4 chip, ensuring smooth operation for your daily tasks. For multiple devices simultaneously, offering reliable wireless experience for wide users. Suitable for both women and professional this device is for smartphones, headphones, and more. Enjoy remarkable transmission 150m in open environment, adjust the angle for excellent signal transmission. Reconnecting with devices use automatic reconnection feature, ensuring uninterrupt usage.<br/ Specifications: Material： ABS Item:USB Wireless Adapter Size:about 177x12mm/6.97x0.47in Bluetoothcompatible：5.4 （compatible2.0, 3.0, 4.0, 5.0, 5.1, and 5.3 specifications） Transfer Distance：150M Supported : 2.4Ghz Transfer Speed 3Mbps For:WIn7/8.1/10/11 Package Includes: 1PC USB Wireless Adapter note: Due to the problem of lighting effectsand shooting angle, there mightbe certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.