Bluetooth Headphones Sport Lightweight Neckband Magnet Long Battery Bluetooth Headset (Color : Black)

描述

Colour Name:Black Bluetooth version: V4.1Frequency response diagram: 2.4-2.48GHZBattery: 300mAhWorking distance: 0-10MListening to music time: about 20 hoursCall time: about 20 hoursCharging time: 2 hoursStandby: 90 daysWeight: 16gColor: black, red