yourspring YS-M100

The YS-M100 is a completely wireless earphone with an external microphone connection, ideal for teleworking and remote meetings.

The YS-M100 features an external microphone "Plus Microphone" for clear calls.

In addition, the Plus Microphone can be connected to either the left or right ear and can be used as a headset for one ear only.


The speaker is a large 11mm dynamic driver unit supervised by our high-end earphone brand "newspring".

The earphones alone provide up to 7 hours of music playback and up to 4 hours of continuous talk time.

The charging case is equipped with a 5200mAh high capacity battery that can fully charge the earphones up to 44 times.

When used as a single-ear headset, the battery can last up to 7 days of continuous talk time while the unused side is alternately charged.


Key aptX™ Features

Consistent audio quality

Fixed compression ratio ensures consistency

Full spectrum of sound

From 20Hz to 20kHz, aptX audio covers the human hearing range

Interoperability testing program

We operate rigorous testing for all aptX enabled products, so you can be confident all products will deliver the same audio quality

aptX™ Tech Specifications

Sound quality
  • THD+N@1kHz: -67dB
  • SNR@1kHz:  93dB
  • PEAQ audio quality:-0.18
  • Qualcomm® Kalimba™ MHz DSP technology: 42MHz@48KHz stereo decode ~45MHz@48KHz stereo encode
Audio Encoding
  • 16-bit, up to 48kHz sampling rate
Program memory usage
  • 3.3kwords (encoder) / 3.6kwords (decoder) 
Data memory usage
  • 1.8kwords
  • ~63MHz (stereo encode) on ARMv7A with NEON 
Bit Rate
  • 384 kbps (48 kHz sampling)