DESIGNED FOR CONVENIENCE built-in CP2102 chip plug and play SUPERIOR COMPATIBILITY Compatible with all Windows system STRONG DESIGN anti-dust cap-design small in size easy to carry 30meters Bluetooth connection Worry-free Support 12-month warranty lifetime friendly customer service by WitMotion team. Option 1. The tutorial link is printed on the guiding card inside the package. Option 2. search wit-motion (dot) com and download the complete tutorial. Option 3. contact us if you need any help support (at) wit-motion (dot) com What You Get 1 x WitMotion BLE 5.0 Bluetooth adapter +1 x Welcome Guide