• 【Advanced Bluetooth-compatible 5.3】Equipped with the latest Bluetooth-compatible 5.3 technology for stable and efficient wireless connectivity. • 【ENC Noise Reduction】Environmental Noise Cancellation (ENC) ensures clear communication during calls by reducing background noise. • 【Long Battery Life】Enjoy up to 6 hours of playtime on a single charge, extendable to 22 hours with the charging case. • 【High-Quality Audio】13mm high-quality dynamic drivers deliver impressive sound across a wide 20Hz-20000Hz frequency range. •【HiFi Sound Quality Brings You to Its Environment】360 degree holographic sound effect, good sound of the original sstudio standard • 【Lightweight and Portable】Each earbud weighs only 3.5g, with a total weight of 27g including the charging case for ultimate portability. Specifications: •Bluetooth-compatible Version: 5.3 •Bluetooth-compatible Chip: BLUETRUM 5656 low-power •Supported Protocols: HSP/HFP/A2DP/AVRCP •Driver Size: 13mm dynamic driver •Frequency Response: 20Hz-20000Hz •Earbud Battery Capacity: 30mAh *2 •Charging Case Battery: 200mAh polymer with protection board •Playtime: Up to 6 hours (single charge), 22 hours (with charging case) •Talk Time: 4-5 hours •Charging Time: 60 minutes •Wireless Range: ≤15M (without obstacles) •Earbud Dimensions: 23.5*18.8mm •Charging Case Dimensions: 50.9*41.7*24.6mm •Weight: 3.5g per earbud, charging case: 20g •Charging Port: Type-C •Input Current: DC 5V •Output Current: 3.7V/50mAh Package included: •2 x Earphones •1 x Charging Case •1 x Type-C Cable •1 x English and Chinese Manual