★ Wireless Earphones: Bluetooth version: 5.0 ★ Color: White ★ Chip: Ture Stereo JieLi chip ★ Wireless Range: about 10m ★ Battery capacity of headphone: 40mAh ★ Battery capacity of charging case: 300mAh ★ Charging input: 5V ★ Charging time: 1~2 hours ★ Working time: 2~3 hours ★ Standby time: 20~30 hours ✔Function: Bluetooth, Noise Cancelling, Microphone, Easy to use button on device, Binaural Calling, LED indicators to identify pairing and usage, Smart and low power consumption, comfortable to wear ✔ Accessories: 1 pair earphones (One left, One right) Charging case Charging cable Manual Packaging box Anti Lost Rope Hook Silicone Cover For Charging Case