Automatic Power On/Off: After putting on the glasses, it will automatically turn on and connect to the paired device. If it is the first time to connect, find "Glasses E1O" and click to connect. After taking off the glasses, each function such as music will automatically pause, and the glasses will automatically shut down after 15 seconds of no operation. [NOTE: You can only use various functions normally when wearing glasses.] Sufficient Power: There is a large-capacity 100mAh battery on each side to provide sufficient power to ensure long-term battery life. The Bluetooth glasses can last about 7 days on standby, talk for about 6 hours, and play music for about 4 hours. The charging method is magnetic charging, and it takes about 90 minutes to fully charge. Remote Photography: Close other running programs in advance, such as music players, and then open the camera. Then, you only need to tap the touch button to remotely control the phone to take pictures, and record your wonderful life. [ATTENTION: Please keep the sunglasses dry, if there are water drops on the temples, it may affect the operation.] Smart One-Handed Operation: The temples are equipped with touch sensors, and you can complete various commands such as answering calls, playing music, and adjusting volume with just a light touch. Click once to answer or end calls, and play or pause music; click twice to switch songs, adjust volume, and take pictures remotely; click three times to wake up the voice assistant; click four times to switch languages. Smart Sunglasses: These sleek, tech-savvy smart glasses are perfect for those with smaller faces. It not only has high-quality speakers, but also has a 5.0 smart chip with stable connection. Wear it when you are walking the dog, jogging or on vacation, enjoying a comfortable and convenient leisure time. And these sunglasses come with a one-year warranty.