Application: Only compatible with Apple iPad series Material:Plastic (Transparent Body) Size: 166mm Φ9mm N.W.: 15 g Tip Dia: POM tip 1.5 mm Battery: Li-polymer battery Rechargeable Working time: 7-8 hours Charging time:2 hours Smart Energy Saving: Auto-off after 10 mins no using Function: Palm rejection / Magnetic /Tilt Bold Support Charging: Magnetic Charging Working mode: Blue Light on Charging mode: Red Light on Sleep mode: Light off Color: Transparent