Feature:1. Touch Enabled&Voice Assistant: Bluetooth-compatible glasses can change music tracks, manage calls, and touch to wake up your smartphone’s voice assistant.2. Long working time: The bluetoth glasses build-in 100mAh rechargeable battery can maintain clear calls for about 6 hours, play music for about 4 hours, standby time is about 160 hours, and charging time is only 1.5 hours.3. Operation method: Power on: automatically power on after putting on the glasses, power off: take off the glasses, automatically power off after 15 secondsDescription:Name: GlassesMirror leg material: PCLens Material: NylonChip platform: AB5376A2Bluetooth-compatible distance: about 40 feet (above 12 meters)Speaker specification: AAC speakerIndication light: (red + blue (left) + red + blue (right)Battery: 100mAh+100mAhCharging: (Magnetic charging sleeve 2 pins (left) + 2 pins (right)Charging time: about 90 minutesStandby time; about 160 hoursTalk time; about 6 hoursPlay music time: about 4 hoursPacking list:1 * Glasses1 * Charging Cable1 * Instruction1 * Cleaning Cloth1 * Packing Box