Happy Telecom Japan 10-day unlimited data card with unlimited speed (Docomo)

• no speed limit
  
• No registration required
  
• plug and play
  
• Customer service hotline: (852) 81991000

Internet speed: 4G full speed unlimited Internet access
Telecommunications Provider: DOCOMO
-Size: Nano sim (equipped with nano sim / micro sim card converter)
-Supports 4G LTE and 3G spectrum
-Supports chat apps, Internet calls, and Google Map navigation
-Supports Internet/email sending and receiving
-Supports network sharing function