✨✨Unique and elegant style. Power saving and durability with solar power transmitter ✨✨Receiver plug, European / American / British model optional. Range in open space: max. 200-300m ✨✨2 tunes of different styles,4-level Adjust volume, including mute mode ✨✨Free pairing: one transmitter can be matched with several receivers. One receiver can also be matched with several transmitters ✨✨Package size: 4.09x3.78x3.03 inch,Gross weight:0.4 lb