•【Ergonomic Design】This wireless Bluetooth-compatible earphone features an ergonomic design for a comfortable and snug fit. The innovative water drop-shaped structure ensures comfort even during extended wear, preventing ear pressure. •【Advanced Connectivity】Equipped with an upgraded 5.4 chip, these earphones offer fast connection and stable transmission, effectively reducing latency for seamless audio experience. •【Immersive Sound】Featuring 360° panoramic spatial audio technology, these earphones deliver an immersive stereo sound field experience that envelops you in your audio content. •【Long-lasting Battery】Enjoy 3-4 hours of playtime on a single charge. When combined with the charging case, you can achieve up to 48 hours of total battery life for extended use. •【Fast Charging】Utilizing a Type-C fast charging port, the earphones can be fully charged in just 1.5 hours, ensuring minimal downtime between uses. Specifications: •Model: LX-21 •Bluetooth-compatible Version: Bluetooth-compatible V5.4 •Bluetooth-compatible Frequency: 2.402GHz-2.480GHz •Supported Protocols: HFP, A2DP, HSP, AVRCP •Audio Codecs: AAC, SBC •Transmission Range: >10 meters (open space, no obstacles) •Earphone Battery: 35mAh/3.7V Lithium-ion Polymer •Charging Case Battery: 400mAh/3.7V Lithium-ion Polymer Package included: •2 x Earbuds •1 x Charging Case •1 x English Manual •1 x Charging Cable