【Immersive Sound Experience】Equipped with 40mm high-precision dynamic drivers, delivering powerful bass and immersive audio for an exceptional listening experience 【Stable Bluetooth 5.3 Connectivity】Enjoy a stable 10-meter connection range with high-speed, lag-free transmission for both music and video playback 【Comfortable Design】High-quality ear cushions offer a soft, skin-friendly feel that's lightweight and breathable for extended wearing comfort 【Foldable and Portable】Featuring a foldable design for easy storage and increased flexibility when carrying during travel or commutes 【Long Battery Life】Enjoy up to 4 hours of playtime on a single charge, perfect for extended listening sessions 【Quick Charging】Rapid 1-hour charging time ensures minimal downtime between uses Specifications: Model: WM-13 Bluetooth Version: 5.3 Driver Unit: 40mm Frequency Response: 20Hz-18KHz Battery Capacity: 150mAh Rated Power: 20mW Input: 5V-250mA Charging Time: 1 hour Playtime: 4 hours Connectivity Range: 10 meters