Specification: Brand: SENBONO Model Number: E13 Chip platform: AB5376A2 bluetooth distance: more than 12 meters Speaker specification: AAC0 Indications: red+blue left)+red+blue (right) Battery: 75mAh+75MAH Charging Period: 2 stitches (left) + 2 stitches (right) Charging Time: about 90 minutes Standby time: about 160 hours Call time: about 6 hours Music time: about 4 hours Product Details : Color: black Control: Left+right touch Frame: TR90 Mirror: Nylon lens Mirror leg: ABS+glass fiber Waterproof: Life waterproof Package Lists: 1 * Smart Glasses 1 * Glasses bBox 1 * Glasses Cloth 1 * Chargering Cable 1 * User Manual