Sony WF-XB700 Truly Wireless Headphones with EXTRA BASS™ (Original) from Sony Malaysia Features - Truly wireless design with BLUETOOTH wireless technology for total freedom. - EXTRA BASS for deep, punchy sound - Up to 9hr battery life, total 18hr with charging case - Easy and clear hands-free calling - IPX4 water resistance against rain and sweat - Ergonomic design for a secure, comfortable fit - Quickly access your smartphone’s voice assistant with a quick touch Specification Size & Weight - Approx. 6.9 oz General Features​ - ​HEADPHONE TYPE - Dynamic - DRIVER UNIT - 1.18 in (Dome Type) - MAGNET - Neodymium - IMPEDANCE (OHM) - 37 ohm - DIAPHRAGM - PET - FREQUENCY RESPONSE - 5–22,000 Hz (JEITA) - FREQUENCY RESPONSE (BLUETOOTH® COMMUNICATION) - 20–20,000 Hz (44.1 kHz Sampling) - SENSITIVITIES (DB/MW) - 103 dB/mW - VOLUME CONTROL - Tact Switch - CORD TYPE - Single-sided (detachable) - CORD LENGTH - Headphone cable (approx. 3.94 ft, OFC strands, gold-plated stereo mini plug) - PLUG - Gold-plated L-shaped stereo mini plug - INPUT(S) - Stereo Mini Jack - WEARING STYLE - On Ear - NFC - Yes - S-MASTER HX - No - PASSIVE OPERATION - Yes Battery - BATTERY CHARGE TIME - Approx. 4 Hours (Full charge) - BATTERY CHARGE METHOD - USB - BATTERY LIFE (CONTINUOUS MUSIC PLAYBACK TIME) - Max. 30 hours - BATTERY LIFE (WAITING TIME) - Max. 30 hours (NC ON), Max. 200 hours (NC OFF). - ​ BATTERY LIFE (CONTINIUOUS COMMUNICATION TIME) - ​Max. 30 hours Bluetooth® Specification - BLUETOOTH® VERSION - Version 4.2 - EFFECTIVE RANGE - Line of sight approx. 30 ft (10 m) - FREQUENCY RANGE - 2.4 GHz band (2.4000–2.4835 GHz) - PROFILE - A2DP, AVRCP, HFP, HSP - SUPPORTED AUDIO FORMAT(S) - SBC, AAC, aptX - SUPPORTED CONTENT PROTECTION - SCMS-T Color Options - Black - Blue What's In The Box - Connection Cable - USB Cable