aloutte Bluetooth HeadphonesWireless Earbuds Sport V41 Lightweight Ipx5 Waterproof Sweatproof inEar Earbuds Earphones with Mic for Running Jogging Gym WorkoutNoise Cancelling Headset Black

Specifications 1.Version:V4.1+EDR 2.Frequency:2.402-2.480GHz 3.Support Agreement:HSP,HFP,A2DP,AVRCP 4.Transmission:Class2 5.Range:10m 6.Sensitivity:<0.1%BERat-80dBm 7.RF Output:-6dBm to 4dBm 8.Talking Time:7-8hrs 9.Music Time:6-8hrs 10.Charging Time:2hrs 11.Standby Time:200hrs 12.Battery:3.7v/100mAh rechargeable Li battery 13.Input:5v/1A Flexible & Lightweight weighs only 0.56 oz in flexible and durable silicone neckband, 5Half lighter than other neckband headset , you’ll even forget you have them on! Wide Compatibility Support iphone, ipad, Samsung, HTC,Huawei or other bluetooth enabled devices. Sweatproof and more lightweight than other headphones, good for outdoor sports. Instruction for use 1.Switch on Long press the main button for about 3 seconds,the blue light will flashing and the voice prompt:power on.after blue light flashes 3times,then it flashes alternately in red and blue,the bluetooth headset is enter pairing mode. 2.Switch off Long press for about 3 seconds,the red light flashing and voice prompt:power off 3.Answer the call Click once the main button key to answer the call 4.Reject the call long press the main button for about 2 second. 5.Last number redial Double click the main button to redial the last number,when headset and the phone is connected. 6.Volume up/down Click once the button “+”/“-” key to Volume up/down 7.Previous song/Next song Long press the button “+”/“-” to reach previous song/next song