Product Introduction: The S4 POS supports power charge by this socket only, do not support charge by USB. When power charging,screen would show the battery charging logo. If you do not get this logo after you connect the power adapter, please check all connections carefully. Warning: Charging by Non Specified power adapter is forbidden. 5,000,000 Pixel fixed focus camera. Supports mobile phone scavenging payment and 1D 2D code scanned. 15CM is the best distance. S4 PDA would be very convenient for courier, store cashier & stocktaking. NOTE: This item standard is 3G, and this link is for 3G, and its options are 1D or NFC, the price is different, if you need, contact me or leave messages please.
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