1Based on RFID radio frequency identification technology and bluetooth communication, special for contactless RF card. 2Low power consumption, standby time up to 1 year, change the traditional way of data line transmission, also do not need to load power (card reader with lithium battery). 3The UID number of RFID card can be directly uploaded to the receiving end of the device via bluetooth if the bluetooth pairing between the receiving end and the card reader is successful. 4Direct matching without password authentication, convenient for using. 5High scanning code sensitive recognition rate, long communication distance of card reader, stable communication distance up to 10 meters/32.8ft. 61000mA/H large capacity battery has a long standby time, charged for 8 hours normally and the standby time can be up to 1 year. 7Can be directly charged with the phone charger plug, convenient and fast. 8Widely used for Windows, for IOS, for Android and other devices with bluetooth communication. 9Data output default carriage return function, no manual selection required. Condition: 100% Brand New Item Type: Card Reader Reader Card Type: S50 S70 ULTRALIGHT CPU TK4100 EM4100 Communication Mode: Bluetooth/2.4G Wireless Format: Default 8-bit hexadecimal system (format can be set by software, such as 10-bit hexadecimal system / 10-bit hexadecimal system, etc.) Card Reading Distance: Approx. 20-60mm/0.8-2.4in (the Specific Effective Card Reading Distance is Related to the Card) Card Reading Rate: 106K/Bit Card Reading Speed: 0.1s Read Card Spacing: 0.5s Card Reading Time: border: 1px solid000important;}1 x Card Reader1 x USB Cable1 x USB Port1 x Instruction5 x Card1.The card reader has a builtin sleep system.When the card reader is not in use, it will sleep automatically after 60S. If it needs to be turned on again, press the button again, and the card reader can enter the working state again.2.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.