•After tens of thousands of ergonomic simulation tests, earphones can better fit the contour of the ear, the combination of semi-in-ear ventilation for breathability •Super magnetic induction, low-frequency sensitivity increased by 30% compared with the previous generation low-frequency dive to 16Hz, mellow and low, surging and powerful •Ultra-wideband real-time hearing optimization blessing, can optimize sound effects in real time for a frequency range of 100Hz-2kHz, with wider high-frequency coverage •Support L2HC and LDACmm dual HD audio decoding, transmission bitrate up to 990kbps, support the lossless transmission of 96kHz/24-bit audio, restore rich sound details •Three-microphone hybrid noise reduction, with the ear canal adaptive algorithm, can adapt to a better noise reduction scheme according to your ear shape and headphone-wearing status •IP54 dustproof and splash-resistant, not afraid of sweat and rain, easy to wear Specifications: •Bluetooth: V5.2 •Wearing method: semi-in-ear •Charging time: the case charges the earphones: 20min, the empty case wired charging: 40min, and the empty box wireless charging: 240min •Battery capacity: earphone: 42mAh; charging case: 505mAh •Playing music and talking time: •Listening to music: 5H (noise reduction off), 3.5H (noise reduction on) •Voice talk time: 4H (noise reduction off), 3H (noise reduction on) Package included: •1 x Pair of Bluetooth Earphones •1 x Charging Case •3 x Pair of Ear Caps •1 x USB-C Charging Cable •1 x Chinese User Manual