1. Mini size, stylish and portable 
2. As common desktop has no bluetooth function, when you need to use=ou can plug in this adapter 
3. Dual gilding process, 24K gold-plated connector, delicate and durable, better conduction and strong signal 
4. Adopts CSR 8510 original chip which is stable and low-power consumption, enables good performance 
5. Long-term use, when once successfully paired, it will be automatically connected to computer the next time, no need to pair again 
6. Built-in antenna, which allows it to transfer within 20m, and make better performance within 10m 
7. Multi-device expansion, wireless transmission, no internet connection, more efficient(do not support Apple device for transferring files and audio) 
8. Support Windows XP/Vista/7/8