Sony WH-1000XM4 Wireless Premium Noise Canceling Overhead Headphones with Mic for Phone-Call and Alexa Voice Control, Midnight Blue WH1000XM4 Description Sony’s intelligent industry-leading noise canceling headphones with premium sound elevate your listening experience with the ability to personalize and control everything you hear. Get up to 30 hours of battery life with quick charging capabilities, enjoy an enhanced Smart Listening feature set, and carry conversations hands-free with speak-to-chat. Features: Industry-leading noise canceling with Dual Noise Sensor technology.Specific uses for product : Communication 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) the WH1000XM4 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. Frequency Response (Active Operation)-4Hz-40,000Hz. Frequency Response(Bluetooth Communication)- 20Hz - 20,000Hz (44.1kHz Sampling) / 20Hz - 40,000Hz (LDAC 96kHz Sampling, 990kbps) Wearing detection pauses playback when headphones are removed Seamless multiple-device pairing Adaptive Sound Control provides a personalized listening experience Product Details: Brand: Sony Model Name: WH1000XM4/L Color: Blue Form Factor: Over Ear Connectivity Technology: HDMI Brand: Sony Model Name: WH1000XM4/L Included Components: Sony WH-1000XM4 Wireless Headphone,Carry Case,Cable Age Range (Description): Adult Model Number: WH1000XM4/L Unit Count: 1.0 Count Number of Items: 1 Charging Time: 30 Hours Battery Life: 30 Hour Recommended Uses For Product: Calling Warranty Description: 1 year Specific Uses For Product: Communication Frequency Range: 20 Hz - 20 kHz, 20 Hz -40 kHz Noise Control: Active Noise Cancellation Connectivity Technology: HDMI Wireless Communication Technology: Bluetooth Headphones Jack: 3.5 mm Jack Form Factor: Over Ear Ear Placement: On Ear Color: Blue Theme: Video Game Style: Headphones Only Material: Plastic Item Weight: 16 Ounces Special Feature: Noise Cancellation Control Type: Voice Control Cable Feature: Without Cable Control Method: Voice