Firstsing Bluetooth Headphones TWS Wireless Stereo Earbuds With Charging Case Support Touch To Play Waterproof And Noise Cancelling Headset for IOS Android

Bluetooth:4.1
Working Distance: 10M
Music play time: 2.5H
Phone call time: 3H
Standby time:48H
Bluetooth Version:V4.1
Profiles Supported: A2DP, AVRCP, HFP, HSP
TRUELY WIRELESS: The earbuds are great for many situations. Our wireless design allows you to listen without the hassle of un tangling cords. ALSO, if you need a free ear, it is possible to just use one earbud.
CHARGING ALL THE TIME: Built in 50mAh battery of each earbud, up to 2.5 hours playing time, portable 450mAh charging case supports recharging easily anywhere and everywhere, never worry about a dying battery again.
Supports all function by Touch operations.Our touch-operation eliminates the discomfort to your ear while applying pressure to the button. Operation becomes effortless and comfortable. We use all funtion by touch in our design which is extremely convenience when you sprot,enjoy music,and drivingor other activity.
Please fully charge the battery of the headset and the battery in charging dock before the first time operation. During magnetic contact charging, the red indicator will stay on, and it will turn off when fully charged.
During music playing, the blue LED indicator will blink slowly.
The red LED indicator will flash when the headset battery is low.