【Advanced Bluetooth-compatible 6.0】Enjoy seamless wireless connectivity with the latest Bluetooth-compatible 6.0 technology, offering improved range and stability. 【Impressive Battery Life】Experience up to 25 hours of music playback or call time on a single charge, with an extended 300-hour standby time. 【High-Quality Audio】Equipped with 40mm dynamic drivers, these headphones deliver crisp and clear sound across a wide 20Hz-20,000Hz frequency range. 【Comfortable Design】The foldable, over-ear design with ABS and metal construction ensures durability and comfort for extended wear. 【Quick Charging】Fully recharge in just 2 hours for uninterrupted listening pleasure. Specifications: Bluetooth-compatible Version: 6.0 Wireless Range: Approximately 15m Material: ABS + Metal Dynamic Driver Size: 40mm Moving Coil Power: 20 MW Frequency Response: 20Hz-20,000Hz Battery Capacity: 250mAh Charging Time: 2 hours Call/Music Playback Time: About 25 hours Standby Time: About 300 hours Product Dimensions: 157 x 163 x 42mm Product Weight: 130g Package included 1 x Headset 1 x Charging Cable 1 x English and Chinese Manual Specifications Brand N/A Color Red Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.241kg Volume Weight 0.394kg Package Length 20.000cm Package Width 16.000cm Package Height 5.500cm