Sony WI-C100 Wireless In-ear Headphones (Original) 1 Year Warranty By Sony Malaysia FEATURES - Type : Wireless In-ear Headphones - Up to 25 hours of battery life - DSEE restores frequencies lost in compression to produce high-quality sound that’s closer to the original recording - Fine-tune your sound using the Sony | Headphones Connect app - Splash-proof and sweat-proof with an IPX4 rating - Easy hands-free calling and voice assistant - DRIVER UNIT : 9 mm - FREQUENCY RESPONSE(BLUETOOTH COMMUNICATION) : 20Hz - 20,000Hz (Sampling frequency 44.1 kHz) - NFC : No SPECIFICATIONS General Features - EADPHONE TYPE : Closed Dynamic - DRIVER UNIT : 9 mm - MAGNET : Neodymium - FREQUENCY RESPONSE(BLUETOOTH COMMUNICATION) : 20Hz - 20,000Hz (Sampling frequency 44.1 kHz) - VOLUME CONTROL : Yes - WEARING STYLE : In-ear headphones - WATERPROOF : IPX4 - NFC : No - DSEE : Yes Battery - BATTERY CHARGE TIME : Approx. 3 hrs - BATTERY CHARGE METHOD : USB - BATTERY LIFE(CONTINUOUS MUSIC PLAYBACK TIME) : Max. 25 hrs - BATTERY LIFE(CONTINUOUS COMMUNICATION TIME) : Max. 15 hrs Bluetooth Specification - BLUETOOTH VERSION : Version 5.0 - EFFECTIVE RANGE : Line of sight approx.10 m - FREQUENCY RANGE : 2.4GHz band (2.4000GHz-2.4835GHz) - PROFILE : A2DP, AVRCP, HFP , HSP - SUPPORTED AUDIO FORMAT(S) : SBC, AAC - SUPPORTED CONTENT PROTECTION : SCMS-T Colour Options : - Black - White - Blue - Beige Size & Weight - WEIGHT : Approx.20.g