Small round Mini Speaker with handsfree
-Bluetooth Version:3.0
-Bluetooth Frequency:2.402-2.480GHz
-Bluetooth Max Power Output:3W
-Bluetooth MIC Sensitivity:-32db
-Bluetooth Receiving Sensitivity:Better than +82dBm
-Bluetooth Distance >10meters
-Bluetooth Data Transmission Up to 3Mbps(over the air)
-Bluetooth UART Data
-Bluetooth Transmission:115200bps
-Charging Voltage:3.7V –4.2V DC
-Working Voltage:4.8V –5.5V DC
-Working Current:200MA
-Quiescent Current >1UA
-Battery Capacity 450MAH
-Connector and Sockets: 3.5mm jack audio in port, USB port for charging
-Certification: CE, ROHS, FCC, BQB,ISO9001:2000,SGS certification