usually 40% (Around 15) is enough (do not exceed 60%) and the volume of the FM transmitter usually 60% is enough (do not exceed 80%)
the micro connector is customized to fit tightly and perfectly in most phones even with the protective cases
The nickel layer copper layer and nickel layer not only make the magnet hooks much more strength
LLC is the owner of the trademark C&E
5 Inch Sublimation Blank Aluminum Stickers for Collapsible Phone Holders
Phone Strap, CISID 4 Pcs Phone Finger Holder Back of Phone Grip with Stand Compatible with iPhone Samsung and Most Smartphones(Black Black Silver Rose Gold 4PCS) Black,Black,Silver,Rose Gold Color:Black,Black,Silver,Rose Gold usually 40% (Around 15) isPhone Strap, CISID 4 Pcs Phone Finger Holder Back of Phone Grip with Stand Compatible with iPhone Samsung and Most Smartphones(Black Black Silver Rose Gold 4PCS) CISID Phone Holder for Hand Phone Grip with Stand Strap Finger Loop for Phone CISID Phone Holder for Hand Phone Stand with Grip Strap Finger Loop for Phone CISID Magnetic Phone Ring Holder Compatible with MagSafe for iPhone 12 13 Series CISID Magnetic Phone Ring Holder Compatible with MagSafe