Wireless Bluetooth 4.2 Headphone, Stereo Built-in Mic In-Ears Headset, Noise Reduction Sports Earphone with Charging BoxA multi-function button, just clicks play/pause music, next song, adjust volume, answer/end call. HiFi binaural high definition stereo. Simple design, one-click operation, convenient and fast, casual. Comfortable to wear with an ergonomic ear canal structure design.Specifications Category: Bluetooth headset. Material: plastic and electric components. BT version: 4.2. Music playback time: 7 hours. Charging time: 1-2 hours. Talk time: 7 hours. Effective range: 10 meters/33 feet. Gender: unisex. Season: all seasons. Supports HSP, HFP, A2DP, and AVRCP protocol. Microphone: built-in high sensitivity microphone. Color: black/blue/red/pink/white.Notes 1. Please understand there may be mild deviation exist. 2. Due to the lighting and monitors, there are slight differences between the picture and the realitem.Package Content 1 * pair of earphones. 1 * charging box. 1 * USB cable.Promise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.