Amazon: BEST Extendable Selfie Stick Monopod with Bluetooth Remote by Snap Stick – fits iPhone 7 plus! –（）DAY MONEY BACK GUARANTEE （可延伸单杆自拍杆并支持蓝牙远程 – 适合iPhone 7 plus – 70天退款保证）
Amazon: BEST Extendable Selfie Stick Monopod with Bluetooth Remote by Snap Stick – fits iPhone 7 plus! –（）DAY MONEY BACK GUARANTEE （可延伸单杆自拍杆并支持蓝牙远程 – 适合iPhone 7 plus – 70天退款保证）
正确答案：70