【High Sound Quality】 The final ZE3000 are high-fidelity earphones designed for audio enthusiasts. They support AAC and aptX codecs, delivering clear and rich sound quality. 【Comfortable Fit】 The ergonomic design ensures comfort even during extended use. With an IPX4 waterproof rating, they are protected from sweat and splashes. 【Long Playback Time】 Using the charging case, you can enjoy up to 30 hours of playback. A 1.5-hour charge allows for immediate use. - Brand: final - Model Name: ZE3000 - Color: White - Bluetooth Version: 5.2 - Codec: AAC, aptX, SBC - Waterproof Rating: IPX4 - Charging Time: 1.5 hours - Playback Time: Up to 30 hours (with case) - Connection Distance: 10m ※The battery life on the left side is reduced. Please understand that this is a used item before purchasing.