Sony WH-1000XM4 Wireless Noise-Cancelling Headphones (Original) 1 Year Warranty by Sony Malaysia FEATURES - Industry-leading noise canceling with Dual Noise Sensor technology - Next-level music with Edge-AI, co-developed with Sony Music Studios Tokyo - Up to 30-hour battery life with quick charging (10 min charge for 5 hours of playback) - Touch Sensor controls to pause/play/skip tracks, control volume, activate your voice assistant, and answer phone calls - Speak-to-chat technology automatically reduces volume during conversations - Superior call quality with precise voice pickup - Wearing detection pauses playback when headphones are removed - Seamless multiple-device pairing - Adaptive Sound Control provides a personalized listening experience - Updated design relieves pressure for long-lasting comfort SPECIFICATIONS General Features​ - Headphone Type : Closed, dynamic - Driver Unit : 1.57 ", dome type (CCAW Voice coil) - Magnet : Neodymium - Diaphragm : Aluminum coated LCP - Frequency Response : 4Hz-40,000Hz - Frequency Response (Active Operation) : 4Hz-40,000Hz - Frequency Response (Bluetooth Communication) : 20Hz - 20,000Hz (44.1kHz Sampling) / 20Hz - 40,000Hz (LDAC 96kHz Sampling, 990kbps) - Sensitivities (DB/MW) : 105dB / mW (1kHz) (when connecting via the headphone cable with the unit turned on) , 101dB / mW (1kHz) (when connecting via the headphone cable with the unit turned off) - Cord Type : Single-sided (detachable) - Cord Length : Headphone cable (approx. 1.2m, OFC strands, gold-plated stereo mini plug) - Plug: Gold-plated L-shaped stereo mini plug - Wearing Style : Circumaural - NFC : Yes - DSEE Extreme : Yes - Passive Operation : Yes Battery - Battery Charge Time : Approx. 3 Hours (Full charge) - BAttery Charge Method : USB - Battery Life (Waiting Time) : Max. 30 hours(NC ON), Max. 200 hours(NC OFF) Bluetooth Specification - Bluetooth Version : Version 5.0 - Effective Range : Line of sight approx.30ft (10m) - Frequency Range : 2.4GHz band (2.4000GHz-2.4835GHz) - Profile : A2DP, AVRCP, HFP, HSP - Supported Audio Format(s) : SBC, AAC, LDAC - Supported Content Protection : SCMS-T Noise Cancelling - Noise Canceling On/Off Switch : Yes - Personal NC Optimizer : Yes - Atmospheric Pressure Optimizing : Yes - Ambient Sound Mode : Yes - Quick Attention : Yes Portable Headphone Amplifier - Volume Control : Touch sensor Processor / Transmitter - Input(s) : Stereo Mini Jack What's In The Box - Carrying case - Plug adaptor for In-flight use - Headphones cable (Approx 1.2m) - USB Cable: Type-C: (Approx. 20cm) #sony #wh1000xm4 #wireless #noisecancelling #headphones #original #black #silver