Dimensions 85.0mm (L) x 54.0mm (W) x 10.8mm (H) Power Source Lithium-ion battery (rechargeable through USB) Compliance / Certifications EN60950/IEC 60950, ISO 18092, ISO 14443, CE, FCC, VCCI, PC/SC, CCID, Bluetooth® Smart*, USB Full Speed, RoHS 2, REACH, WEEE, Microsoft® WHQL *Certification is in progress Interface Bluetooth Smart USB Full Speed Supply Current Max. 50 mA Operating Temperature 0-50 °C …