•Its buttons (1 per pin) make it easy to manage calls, activate the voice assistant or control the playback of your favorite songs. Just a few taps on its surface are all you need to have everything under control. •The pins will automatically pair with each other when both are turned on, making connecting to other devices quick and easy. Plus, once connected, you can remotely control your smartphone's camera shutter. •Photochromic lenses that automatically darken when the sun hits your face, making these glasses ideal for outdoor sports. Frame compatible with prescription lenses. •Modern looking frame, with precision hinges, facilitating smooth opening and closing, sturdy and durable. In addition, its comfortable nose bridge, without putting pressure on the nose, allows you to wear it for long periods of time without any discomfort. •Includes: Smart glasses x1, Carrying case x1, Replacement temple base x2, Charging cable x1, Cleaning cloth x1. Power: 100mW Voltage: 5V Current: 1A Battery capacity: 2 x 55mAh Charging time: 1.5h Battery life for music and calls: 5h Standby time: 50 hours Bluetooth: 5.4 Connection distance: 10m Sensitivity: 95±3dB CE and RoHS certified. Nylon, polycarbonate.