Black 010-690. The Paxton10 BLE Bluetooth Key Fob combines Bluetooth and NFC technology and simultaneously supports contactless, hands free and long range token modes when used with any Paxton10 reader. It has an NFC range of 10mm - 35mm and a Bluetooth range of 0m - 10m and a long lasting ABS enclosure. It comes complete with a 5 year warranty and 1 year battery life with the included CR2450 battery.. To suit Paxton10. Bluetooth & NFC technology. 1 year battery life. Up to 10m range