100% Brand new and high quality!
Transmission rate up to 1Mbps,
effective communication distance 15m low radiation
(transmit power 1mW),receiving sensitivity: -80dBm,
AAA (2) alkaline battery 1.5V x 2 power supply
, support for Windows, for apple operating system.
Scissor structure, thin body, chocolate cap, fashion design,
10 seconds without keyboard action automatic sleep mode.
Use 3.0 to 4.0 Bluetooth version compatibility