Specifications:

• Bluetooth-compatible Adapter: Receiver Transmitter
• Bluetooth-compatible Dongle: Dongles Receiver
• Bluetooth-compatible level: class2
• Bluetooth-compatible protocol: A2DP, HSP, HFP
• Bluetooth Standard: Bluetooth v4.0
• Brand Name: ALLOYSEED
• Certification: NONE
• Frequency band: 2.4G ISM band
• Model Number: Bluetooth-compatible Dongle
• Origin: CN(Origin)
• Output power: 0 ~ + 4dbm
• Package: Yes
• Receiving sensitivity: - 75db
• Standard: Bluetooth-compatible 4.0
• Transmission distance: 10m/32.8ft
• USB standard: USB 2.0