•Delicate and beautiful, light to wear, and connected immediately after opening the cover •It adopts a highly flexible diaphragm, from surging bass to delicate mid-frequency to clear high-frequency perfect display, immersive enjoyment of music •Smart touch control, easy to operate •Master-slave switching function •Intelligent noise reduction, bring high clear calls •Support wireless charging, convenient to charge •Strong battery life, about 20+ hours use time •Bluetooth-compatible 5.2 chip, stable and fast connection Specification: •Bluetooth-compatible version: 5.2 •Frequency response range: 20Hz - 20KHz •Charging time: about 1 hour •Music/talking time: about 4 hours •Battery capacity: earphone 30mAh, charging case 400mAh Package included: •1 x Pair of Bluetooth-compatible Earphones •1 x Charging Case •1 x Charging Cable •1 x English and Chinese User Manual