From the manufacturer:

Made for the Ones always on the Go!

Experience freedom from wires like never before!

Starson S100 has been designed to keep you plugged into your world and enable the multi-tasker in you to shine through.

Introducing the Independent Earphone Mode:

Step1: Press the left earbud to power on. (Ensure that the right one is power off.)

Step2: Find ‘S100L’ in one device and click it to connect.

Step3: Press the right earbud to power on and find ‘S100R’ in another device and click it to connect.

Step4: Two earbuds are connected with different devices successfully!

Starson S100 – Designed for Excellence

Ergonomic Excellence

Ergonomically designed, super lightweight and different size(S,M,L) ear caps to fit your ears make sure comfortable wearing.

Seamless Call Functionality

Different modes for different types of calls. If your phone is out of reach, just press the multi-function key to receive/redial a call

Multi-function Key

Multi-function key that allows for different utilities and functions based on press length.