Japan 4G 10 Days Card $158(Buy)
First 10GB will be at 3G/4G speed, afterward speed will be lowered to 2G  
​Some dual SIM Smartphone like Xiaomi may not able to use this SIM
Speed (Download / Upload) 125Mbps / 25Mbps
Voice / SMS ×
Web / E-mail
Wi-Fi internet tethering ○ (not applicable with iOS 7 or above)
Google Map GPS
Apps ( WhatsApp / Kakao / Facebook / Twitter )
Voice over IP (Skype / LINE / Viber) ○ 
Data Usage Unlimited
Supported devices All smartphone/tablets
SIM Card Type (Mini / Micro / Nano SIM)