Size:1/1 The product has three control methods: touch/remote/sound control. Adjustable head circumference: 60cm The helmet's eyes can emit light, available in 2 colors: white and red，and it also comes with sound effects. Please Note:Feature 🖤 Collector's Finish🖤 : Smooth lacquered surface with a segmented design, blending futuristic armor essence with minimalist yet striking style—ideal for collections. 🎮Triple Interactive Activation (Voice/Remote/Touch)🎮: Supports three control methods for seamless operation of mask opening, lighting, and sound effects. 👁️Dual-Mode LED Light-Up Eyes👁️: Built-in LED eyes with standard/battle modes (controlled via voice/remote), creating an immersive cinematic vibe for cosplay or themed events. 🔊Immersive Sound Effects + AI Voice🔊: Realistic mechanical sounds sync with movements (e.g., helmet opening), plus an AI-style voice response system for enhanced authenticity. 🎁Perfect Gift for Fans & Collectors🎁: 1:1 wearable scale, fitting head sizes up to 24 inches (suitable for adults/teens). Great for cosplay, display, or gifting on holidays/birthdays. Package included 1× MK5 Helmet Description: In stock Condition:100% brand new and high quality Material: Plastic ABS Height: 62 cm / 24.4 In Size :Wearable within 60cm/23.5 Inches head circumference Item needs AA（1.5v）battery *4、AAA battery *2 (Without battery, the battery cannot be sent internationally ) Note: If the AA battery power is lower than 1.5V, it may lead to slow response of the helmet, poor eyes and other problems. Helmet can be controlled by voice like the instructions below. 1️⃣The use and attentions of helmets:Take out the battery box lined with a cloth bag and install the Helmet Needs 4 AA Batteries for Power, and the Remote Needs 1 AAA Battery for Power） 2️⃣ Check if the mask is misaligned. 3️⃣ Turn on the chin position switch, activate the voice wake-up (Jarvis/Jarvis), and once the helmet system responds, it can be used normally. Three Control Models: *Touch Control: Touch The Sensing Area Of The Right Ear: Control The Mask Multi-chip Open/close Touch The Left Ear Sensing Area: Control The Mask To Open/close * The Operation Function Of Remote Control: A Control Mask Integral Open/close B Control Mask Multi-chip Open/close C Limit Switch Color. D Eye Light On/off E Helmet Sound On/off * Voice Control: English Voice Commands Before Operating The Command, You Need To Execute The Jarvis/jarvis" Wake Up System. To Proceed With The Subsequent Command Operation. Within 5 Seconds Of Waking Up The System. Can Continuously Input Voice Operation Commands. Failure Analysis - If The Matching Password Fails, Try To Match The Password Again After Charging The Force Control. - The Eye Lights Flickered Slowly, The Motion Was Slow, The Sound Was Blurry, And The Battery Was Low, A New Battery Should Be Replaced - Operation Failure, Abnormal Situation, Restart The System. - Wear Helmet, Automatically Detect Failure And Restart The System. Safety Operation Warning - Notes For Starting: Before Starting The Helmet (or When Restarting The System Power) - It Is Necessary To Ensure That The Mask Is Closed Smoothly Before Starting Up, Such As The Existing Part Of The Mask - When All Parts Are Open, All Parts Need To Be Closed Manually Gently To Ensure That The Surface Is Not Stable - Turn Off And On Again. When The Product Is Not In Use For A Long Time, Please Remove The Dry Battery. - It Is Strictly Forbidden To Play With The Mask Opened By Manual External Force Flap. Corpse Is Forbidden When The Helmet Is Opened And Closed. - An External Force Impedes Movement, Causing Different Damage To The Opponent. - Non-professionals, Do Not Disassemble The Product By Yourself. Battery Case And Wearing Instructions - The Battery Case Is Hidden On The Back Of The Black Pad On The Back Cover - Please Take Off The Back Cover Before Wearing - Wear A Head Circumference Of 60cm And Bring Your Own Helmet Battery - Remove The Back Cover Before Wearing The Helmet -install The Back Cover After Wearing It - Four AA（1.5v） Batteries - Remote Control Battery: AAA Battery * Voice Control: English Voice Commands Before Operating The Command, You Need To Execute The "Hello Jarvis" Wake Up System. To Proceed With The Subsequent Command Operation. Within 5 Seconds Of Waking Up The System. Voice Operation Commands Can be Issued Continuously Wake-up command: "Hello JARVIS" "Open the Mask" "Lose the Mask" "Start Combat Mode" "Close Combat Mode" "Shutdown System"