This wireless-earphone adopts a new generation of BT5.0, faster and more stable, comfortable to wear without pain and it will provide you a perfect music feast.Features:Comfortable to wear even for a long time.Let you enjoy the superior sound quality.Support binaural communication, deep noise reduction function.BT 5.0, faster and more stable.IPX4 waterproof and dustproof, single and double ears are free to wear.Automatically pair, power on after taking out from the charging box.True wireless-BT headset, left and right channel separation, automatically connected, can be used separately.One button control easily to turn on/off, play/pause/switch music, hands free calling to driving, working, meeting, running.One to two connections, can be connected to two mobile phones at the same time.Intelligent compatibility: support all BT mobile phone, tablet, notebook, QQ music, movies, etc.Support one button to wake up voice assistant.Specifications:Item type: EarphoneMaterial: ABSColor: Black, White (Optional)BT Version: V5.0BT Distance: 10mCharging time: Approx. 1-2 hoursStandby time: Approx. 80 hoursMusic time: Approx. 3 hoursTalking time: Approx. 4 hoursAudio transmission format: HFP/A2DP/HSP/AVRCPEarphone-battery: Polymer Lithium-Battery 45mAhCharging-box-battery: Polymer Lithium-Battery 280mAhWorking voltage: 3.2-4.2VCharging voltage: DC5VFrequency: 2.4-2.48GigahertHorn impedance: 32Horn bandwidth: 20-20KHzHorn sensitivity: 105dBMicrophone sensitivity: -42+/-2dbPackage size: 145*80*35mm/5.7*3.14*1.37inchesPackage weight: 66g/2.32ouncesPackage list:1 * A6S Mini BT Earphones (left and right ears)1 * 280mAh Charging Box1 * USB Charging Cable1 * User Manual(Chinese&English)4 * Ear cap