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