Bluetooth Wireless In-Ear Stereo Earphones Digital Charging Box New Bluetooth Headset

Overview： Bluetooth 5.0, faster and more stable transmission, supports hands-free call.The charging box can charge earphones 4 times when it is fully charged. Very convenient for travel or going out.The power will be displayed on the charging box, you can see the power status at anytime.Intelligent compatibility: support all Bluetooth mobile phones, tablets, laptops, etc.. Specification：1. Size: 10 * 8 * 3CM2. The battery capacity of the battery compartment: 300mA3. Battery protection board IC brand: transistor battery protection board4. The battery capacity of the headset: 35mA5. There is a battery in one ear or a battery in both ears: both ears with battery6. How long can be used each time: 3 hours7. How many times can the battery compartment charge once: 4 times8. Bluetooth version: v5.0 + EDR9. Double ear canal transmission or single ear canal transmission: dual channel10. Whether built-in microphone: binaural double microphone11. Whether waterproof, if waterproof, what is the wate