maisonmitsu7 years ago000Do both units (parent + baby) work well on batteries and, if so, is USB charging possible for both?Show in original language (French)monsieurlele7 years ago • purchased this product000purchased this product Helpful answerboth units have their own battery and to charge them 2 bases are provided and the cables are like cell phone chargers (mini usb). these cables can be plugged on the bases or directly on the unitsShow in original language (French)Comment