This is a battery used in smartwatches such as the Louis Vuitton Tambour Horizon V2. It is only available through overseas import. Although it is new and unused, we cannot guarantee the quality as it is obtained from overseas. For reference, the items purchased at the same time and used by the seller did not have any problems. There is stock available, and a discount is possible if you purchase two. Please feel free to comment. - Model: APPack APP00282 - Capacity: 300mAh - Voltage: 3.8Vdc - Max Charge Voltage: 4.35Vdc - Lithium-ion Battery: Li-ion Search terms: Louis Vuitton Tambour Horizon Louis Vuitton Tambour Horizon