final ZE3000 True Wireless Earphones - Model Name: ZE3000 - Type: True Wireless Earphones - Color: White系 (White-based) - Accessories: Box, charging cable, instruction manual, ear tips Wearing Style: Separate left and right, completely independent Earphone/Headphone Type: Canal type The following is a quote from the product description on Amazon: [Communication Method] Bluetooth 5.2 [Supported Codecs] SBC, AAC, Qualcomm aptX, aptX Adaptive [Continuous Music Playback Time] Earphone unit: Up to 7 hours / With case: Up to 35 hours [Charging Time] Earphone unit: Approximately 1.5 hours / Charging case: Approximately 2 hours [Battery Capacity] Earphone unit: 35mAh / Charging case: 300mAh [Waterproof Performance] IPX4 [Seller's Comment] There are no noticeable scratches or stains, but it has been used for about 2 years, so some users may feel a sense of use. Please understand this before purchasing. I am selling this because I purchased new earphones. The product has been disinfected. Shipping will likely be via Mercari's Yu-Yu Packet Plus. I will take care to protect the item during shipping.