once you know your body measurements,consult the Size Chart on the product pages for actual item measurements to determine which size you should purchase.
Input Voltage: 12V-24V Compatible: For 4.5-6.7 inches mobile phones Output Power: 15W(Max) USB Port: Wireless Charging Dimension: Dashboard Base: 167 x 72.5 x 40mm, Air Vent Clip: 93 x 45 x 34mm Weight: 220g