Replaceable 16.8V 0.75A 0.8A 1A Massage Gun.(Don't fit with 12V, 24V or 25.2V Massage Guns) DC Jack Dimensions: 5.5*2.1 ， 4.8*1.7 / 4.0*1.7 / 3.5*1.35 / 2.5*0.7mm 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. Compatible for Sportnear Mini 2 Mini 3 Massage Gun Compatible for Renpho Mini R3 Massage Gun Compatible for Bob and Brad T2 C2 Q2 Mini Massage Gun Compatible for Medcursor MG05 Massage Gun Compatible for Youdgee M15 Massage Gun Compatible for REFLUX,alt AUKEY HOME Massage Gun Compatible for ALK ARE Massage Gun