Vanstone was the 16th largest manufacturer of POS terminals based on units shipped in 2019. The company’s newest device, the Aisino A80, has a 5-inch touchscreen and uses a customized Android 7.1 operating system running on a 32-bit Qualcomm quad-core processor. The device is pocket-sized, at 150x75x15mm, and weighs 220 grams. The A80 supports EMV-compliant NFC and QR code-based mobile payments. It does not have a mag-stripe card reader. A 3000mAh rechargeable lithium battery can handle 600 transactions or seven days of screen-out standby. The A80 is charged and updated via a 5-volt...