On the off chance that you utilize both apparatuses in the meantime a 70 watt converter won't work. The aggregate wattage of the apparatuses you list is 95 W, or watts. On the off chance that you attempt to control both in the meantime on a 70 watt converter the converter will be harmed. You ought to get a converter evaluated for no less than 100 watts. On the off chance that you will utilize just a single machine at any given moment, the 70 watt converter will work. Simply keep in mind and attempt to utilize both in the meantime. In the event that the converter just has one module it you ought to be sheltered as you could just connect one machine to at once.