1:Color: Black 2:Chip: Nordic NRF 51802 QFAA
3:Battery: No battery, works when connected to computer by USB port.
4:Sensitivity: -91 dBm sensitivity in Bluetooth? low energy mode
5:Range: depend on the transmite power of ble device, the range can be to more than 1000 meters.
6:Product weigt: 25g(with antenna) 30g(Antenna +packing)
7:Product size:90*25*15mm(Without antenna),102*25*51mm(with antenna)