עט אלקטרוני שלושה צבעים

Size: (L) 7.09in (D) 0.35in 
Weight: 16g 
Charging time: 60-80minutes 
Standby time: 30 days 
Charging cable: micro USB cable (included) 
Smart energy saving: 30 minutes of automatic shutdown 
Using the time: work continuously at 8-10 hours.