•Bluetooth Specification: Compatible with Bluetooth 1.1,1.2,2.0,2.1 + EDR specification

•Transmission Distance: 10M

•Frequency Range :2.402-2.480GHz

•Power Supply: 3.3±0.1V

•Interface:RS232/USB

•Maximum data rate:2M/3M

•Operation temperature: -25 ℃ ~ 85 ℃