1 1. Material: Made of high-quality stainless steel and aluminum. 2 2. 350mAh: Portable and reliable battery.Comes with a USB Adapter. 3 3. One Button Operation: One button starts the digital pen, no Bluetooth connection is required. 4 4. Wide Compatibility: Suitable for all places, portable, and easy to use.Battery capacity: 350mAhColor: black/steel/blue/red/whiteInterface: 510 interface, USB head chargerBoard: Click five times to turn on/off, click twice to preheat, click three times to change voltage: 2.6V green light, 3.3V blue light, 4.0V red light.Charging input voltage: 4.2V
What's in the box
1x Battery Pen1x USB Adapter
