DC Jack Dimensions: 5.5*2.1 ，G ：4.0*1.7，H ：3.5*1.35 。Line :1.5m/59in Replaceable 16.8V 0.75A 0.8A 1A Massage Gun.(Don't fit with 12V, 24V or 25.2V Massage Guns) Power charger output current: 16.8V (Will adjust the output current according to different devices, Power supply specifications：Input Volt Range: AC100-240V 50/60Hz ,Output: DC16.8V, so it is a substitute for all 16.8V power supplies Compatible with for LifePro Sonic, Sonic Mini, Sonic Pro,Fusion X, Sonic Pro, Youdgee H1 mini, Mebak 3, DamKee DK-01 02, Wattne W2 W1 Massage Gun Replacement Charger. Power charger output current: 16.8V (Will adjust the output current according to different devices, Power supply specifications：Input Volt Range: AC100-240V 50/60Hz ,Output: DC16.8V, so it is a substitute for all 16.8V power supplies