Acefast Fast Wireless Charger Car Mount Holder Auto-Aligning D1 15W - D1_BK Auto-aligningLow noiseStepper motor.Clamp arm. For 4.5-6.7 inches mobile phonesCompatible with multiple size mobile phones. Qi 15W fast chargingQi certified wireless fast charging. Rotate and view : Vertically or horizontally.Telescopic arm : Easily operate with anextension of 53mm. Internal battery : Can be used normally after turning off car engine. Compatibility : Compatible with mostphone cases. 5W / 7.5W / 10W / 15W output.Center console and air vent mount.For 4.5 - 6.7 inches mobile phones.Automatic alignment coil.