Usams Xh09 Tws Binaural Semi-in-ear Wireless Buletooth Earphone Black

Material: ABS+PC, Bluetooth version: 5.1, Charging compartment input: 5VConnection range: about 10 meter, Horn diameter: 13mm, Speaker sensitivity: 95+/-3dbSpeaker impedance: 32 ohms, Speaker frequency response range: 30Hz-20KHzHeadphone battery capacity: 35mah, charging compartment battery capacity: 300mahContinuous playback time: about 5.5 hours, Continuous talk time: about 6 hoursHeadphone charging time: about 2.5 hoursCharging time of charging box: about 1.5 hoursStandby time: about 25 hours, Dimensions: 5149.523.5mmOverviewBT5.1 chip, quick response, stable transmission. Immersive stereo sound, HD phone calls. Sensitive touch control, comfortable to wear. Contrast color design, stylish & anti-fingerprint. Accessories Earbud*1 pair, Charging case*1, Type-C charging cable*1, User manual*1