Baseus TWS headphones (true wireless stereo) will give you great pleasure when listening to music and will allow you to take phone calls hands-free. Thanks to the ergonomic design, they improve the comfort when we wear them and always keep the headphones stable when doing physical exercises. The headphones weigh only 4g, thus creating a fantastic wearing experience Material: ABS and polycarbonate; Version: V5.3; Communication distance: 10m; Standby time: 250 hours; Music time: 5 hours (70% of volume); Duration of listening to music together with the charging case: 25 hours; Charging time: 1.5 hours; The package contains a USB/Type-C charging cable. Headphone battery capacity: 40mAh; Docking station battery capacity: 300mAh; Nominal input for headphones: DC5V = 50mA; Nominal consumption current for headphones: 8mA; Nominal input charging case: DC5V / 300mA; Nominal consumption for the charging dock: 96mA; Frequency response range: 20Hz-20KHz; Charging interface: type C; Suitable for: compatible with all wireless devices.