Tronsmart Encore S4 ANC Headphones Unopened. The packaging box has peeling, tears, and stains. No receipt or proof of purchase is included. For products with software, I do not transfer ownership; please obtain it yourself. Due to amateur inspection, I have not checked fine details or parts that require disassembly. Please refrain from purchasing if you are looking for a perfect item. Warranty is not applicable due to the nature of the flea market sale. TTT