Specifications:

• Model Number: USB Bluetooth-compatible Adapters
• Usage 4: for BT headphone
• Usage 3: for PC Computer,laptop
• Usage 2: connect wireless earphone
• Usage 1: for mobile phone file transfer
• Package: Yes
• Origin: CN(Origin)
• drive mode 2: Install drive extend function
• drive mode 1: plug & play
• Certification: CE
• Brand Name: TEZER