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. Application- Built in mic for hands free calling Use- Use for sports Transmission distance- 10 meter Talking time- 28 hr Music time- 25 hr Charging Time- 1-2 hr Standby time- 2100hr Color- Available in 3 different colour Feature- CSR import chip Audio- HD high-definition DPS noise reduction- Yes Compatibility- Compatible with all mobile phone’s music players portable gaming devices and computers Bluetooth version- 5.0 Charging type- Micro usb Charging power- DC5V 210 mAh Out put power- 3mWx2 Sensitivity- 102db at 1 KHz Impedance- 16 oHM Frequency range- 20 Hz – 20KHz THD- <1% Supported profiles- HSP,HFP,A2DP,AVRCP MIC sensitivity- (-42db) Mic impedance- 2200 ohm Includes- 2 pair of ear bud and charging cable Colors- Black, Gold, Silver