description:Ergonomically designed - Built-in microphone Digital volume control、 compact and lightweight wireless earbuds with in-ear design for secure fit and premium sound.Chip: Bluetooth 4.1 + A2DP Breakthrough exclusive technology doubles Sound beats playtime to a solid 5 hoursSweat-proof: Designed with durable materials to withstand sweaty workouts; Compatible With: Samsung Galaxy S5/S4/S3/S2/Note2/Note3/Galaxy/all Smart phone and All Tablet/PC/Laptop prevent sweat and rain from interfering operation of headsetPure Sound In-ear white noise and listener fatigue reduction. Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment.Package include: 1 X N2 bluetooth headphone