Specifications:

• Bluetooth version: 5.4
• Brand Name: kebidumei
• Compatible system: Win 7/8.1/10/11
• Feature 1: drive free for Win8.1/10/11 system
• Feature 2: Win 7 system can be installed with drivers
• Feature 3: USB Bluetooth 5.4
• Feature 4: for PC Dongle Adaptador
• Feature 5: Wireless Mouse Keyborad Music Audio Receiver
• Feature 6: Audio Receiver USB Transmitter
• Hign-concerned Chemical: None
• Model Number: BT 5.4
• Origin: Mainland China
• Rated voltage: DC 5V
• Transmission distance: 0-20M