Bluetooth Headphones Bluenin Bluetooth V4.1 Neckband Retractable Earbuds Sweatproof Sport Wireless Headphones Stereo Noise Cancelling Headset with Mic (Black)

Neckband Designed Around-the-neck wearing style with body-contoured fit, made of ultra-light material, great for easy carrying and all day comfort., Ensures a 100% comfortable fit especially when you are running, cycling, exercising and staying at home or in the Office. Convenient Control & Hansfree Calls The wireless bluetooth headset built-in microphone allows switch between music and call,it can vibrate independently when a phone call comes in and avoid missing incoming calls while the earbuds are not in your ears. IPX4 Sweatproof The wireless neckband headset support IPX4 sweatproof, you don't need to worry the light rain or sweat will ruin the headphones, please make sure not using in a pouring rain or soak in the water. HOW TO CONNECT TWO BLUETOOTH DEVICES SIMULTANEOUSLY 1. Connect with the first bluetooth device ,then disconnect it. 2. Connect with the second device. 3. At last, reconnect with the first one, and you will have them connected simultaneously. HOW TO SWITCH LANGUAGE(ENGLISH,KOREAN,CHINESE) 1.Turn this bluetooth headphones on 2.Keep pressing pause button for 2 seconds before bluetooth pairing, Voice prompt will tell you which language you are in. Specifications Bluetooth: 4.1 Working Distance: ?10m (33 ft) Charging Time: ? 2.5 hours Music Time: 15 hours Standby Time: 300 hours Packing List 1 x Bluetooth Headphones 1 x USB charging cable 1 x User Manual 1 x Service Card 3 x Ear tips(S, M, L)