Welcome to the world of revolutionised earphones with the KDM neckband series, that come with greater control, easy accessibility, enhanced battery life and free from the hassle of pulling off or falling and much more meant to make your life easy on-the-go. Use- Portable during sports Transmission distance- 10M Standby time- 1000hr Fit- Comfortable fit Sound- Bass port for superior sound Talking time- 50 hr Music time- 50 hr Charging time- 30 min Connector- Magnetic Compatibility- Compatible with all mobile phones ,music players,portable gaming devices and computers Application- Built in mic with answer/ call end/ button allows you to seamlessly switch between calls and music OS- Available in iphone and Android CSR import chip- Yes DPS noise reduction- Yes Audio- HD high definition Bluetooth version- 5.0 Charging type- Micro usb Charging power- 240mAh Out put power- 3mWx2 Sensitivity- 102db at 1KHz Impedance- 16 oHM Frequency range- 20 Hz-20KHz THD- <1% Supported profiles- HSP,HFP,A2DP,AVRCP MIC sensitivity- 42db Mic impedance- 2200 ohm Include- 2 pair of ear bud and charging cable