Battery-Free Pen PW400 : $ 21.99 
Compatible with Inspiroy RTE-100, RTS-300. RTM-500, RTP-700
- Two Shortcut Keys
- Comfortable Grip
- Battery-Free
Compatible with:
- Inspiroy RTE-100
- Inspiroy RTS-300
- Inspiroy RTM-500
- Inspiroy RTP-700
Huion : Battery-Free Pen PW400
Battery-Free Pen PW400 : $ 21.99