?After Sales Support?Our Products are 100% gate-keeping before sale, if you have any questions, You can communicate with us online by email or QA. There is no reason for return or exchange of the product within one year, please feel secure in your purchase!. ?Safe Charging?All chargers are CE FCC certified with over-voltage, over-load, over-current, short circuit protection. When it stops working, it will be automatically powered off to protect the inside battery from over-discharge and damage, preserving the lifespan of the battery. ?NOTE? ?This charger Not Compatible with QP2630, QP2724, QP6505, QP6510, QP6520, QP6530, QP6550, QP6620. Please check your shaver model and and make sure the interface is consistent before purchg. ?Wide Compatibility?Electric shaver charger compatible with Philips QP2520, QP2620, QP2511, BT3206, BT3208, BT3203, BT3215, BT3216, BT3226, BT405, MG3710, MG3720, MG3730, MG5720, MG5730, MG5735, MG5740, RQ310, RQ311, RQ312, RQ320, RQ328, RQ330, RQ331, RQ338, RQ350, S1000, S1010, S1020, S1050, S1060, S300, S301, S310, S520 and more. ?Product Specification?Input: AC 100-240V 50/60Hz, output: 4.3V 70mA; cable length: 120cm, replacement model: A00390. Please Note: It's not for 15 V and 8V Shaver.