High precision design: Aluminum cylinder pen body. Precise and sensitive, super fine tip, the active stylus pen offers high precision and accuracy of writing and painting. Energy saving function: Charging takes place through the USB output and with a full battery it can last in standby for 30 days. It can be used for 10 hours and turns off automatically after 30 minutes. Which will help reduce battery drain and extend battery life. There is no need for Bluetooth and APP. Magnetic pen cap: comes with 1 caps to avoid losing the product and to keep using it even when the Apple stylus is turned off. Wide Compatibility: Compatibility with most capacitive smart touch devices, tablets and phones - compatible with iPhone XR / X / 8/8 Plus / 7/7 Plus / 6s / 6s Plus, iPad Pro, iPad 9.7 (2017), iPad 1/2/3 / 4, iPad mini 1/2/3/4, Samsung Galaxy S9 / S7 / S7 Edge, Huawei, HTC, Google, LG and other tablets and smartphones with touch screen. Important: The charging input is 5V / 0.2A. Do not use the fast charger as the internal chip will be damaged due to the higher voltage. One key switch Just press the button once (light on) and you can draw or write on your touch screen devices. No USB or Bluetooth required. Magnetic hood Two-way magnetic cap, no need to twist or push back the cap, just put the cap close to the stylus pencil, (both sides) it will absorb automatically. Parameter function: drawing, writing, notes, touch Charging time:1 hour Working time:8-10 hours Compatible uses: Android phones, Apple phones, various brands of flat capacitive screen devices Material: pen body aluminum (pure copper nib, nib with protective film, does not hurt the screen) Effective distance: distance pen 1.6mm Working time:8-10 hours Standard accessories: USB charger Battery specification: 0.518wh 3.7v 140mah Product color includes: white, black Size: diameter pen 1.45mm * pen 9mm * total length 175mm Light profile: press the button once, LED blue light is on, ready to use; press the button again to turn off the light, LED light off; LED red light is on when charging, LED light is off or green light is on when the battery is fully charged Includes include: 1pc*capacitor pen, 1pc*Mirco USB cable