Bluetooth Headphones, Duola Wireless Neckband Headset Retractable Stereo Noise Cancelling Earbuds w/Mic Vibrating Call Alert for iPhone Android;

Specification： 

Bluetooth Version: 4.1 
Multi-point Connections: one for two 
Bluetooth Distance: About 10 meters 
Talk Time: 8-10 hours 
Music Time: 8-10 hours 
Charging Time: 2 hours 
Speaker Unit: 10mm high fidelity 

Instruction: 

1. Prior to using the headset, make sure that the headset is fully charged. After the headset is charged,slide the power switch to the "on" position. The red and blue lights will start to flash alternately
2. Go to the Bluetooth menu and "search for" the device that you want to pair. Once the devices are paired, you will hear "your headset paired"
3. If the phone asks for a password then type 0000.

Attention: Ensure that there is no barrier between the device and the bluetooth.

Package Include: 

1 x Bluetooth headset 
1 x USB Charging Cable 
1 x User Manual 
2 x Ear Rubbers