V4 3.5mm Wired Control Lighting Gaming Deep Bass Headphone Noise Cancelling Metal Headset With Mic

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Gaming Headset for Xbox One, PS4, PC, Controller, Noise Cancelling Over Ear Headphones with Mic, LED Light Bass Surround Soft Memory Earmuffs for Computer Laptop Mac Nintendo Switch Games

[MULTI-PLATFORM COMPATIBILITY] Support PlayStation 4, New Xbox One, PC, Nintendo 3DS, Laptop, PSP, Tablet, iPad, Computer, Mobile Phone. You need an extra Microsoft Adapter (Not Included) when connect with an old version Xbox One controller.
 
[SURROUNDING AUDIO] Clear sound operating strong brass, splendid ambient noise isolation, high precision 50mm magnetic neodymium driver and acoustic positioning precision will bring you vivid sound field, clear audio and shock feelings.
 
[HUMANIZED DESIGN] Superior comfortable and good air permeability protein over-ear pads, and muti-points headbeam accord with human body engineering specification to reduce hearing impairment and heat sweat.
 
[EFFORTLESSLY VOLUME-CONTROL] 2.1M-long USB cable with rotary volume controller and key microphone mute effectively prevents itself from twining and allows you to control the volume easily and mute the mic as effortless.
 
[ISOLATING NOISE] 360 Degrees rotating microphone can transmits high quality communication with its premium noise-cancelling feature, pick up sounds with great sensitivity and remove noise surrounding you.

Features:

LED dazzle light
Volume control button
Microphone on-off button
Used for one-to-two tieline
Used for single hole interface
USB interface for power supply for the LED lights
High sensitivity microphone delivers more accurate, clear and smooth voice.
High-quality sound production until offers high, medium and low audio experience.
Skin type protein earmuff, environmental protection, wearproof and comfortable to wear.
Lightweight design, self-adjusting head beam design, the best game wearing experience.
3.5MM international standard (CTIA) device interface (right channel+/ground-/left channel +/microphone+)

Product parameters:
Speaker Size: 50mm
Sensitivity: 115+/-3db
Microphone: 6.0*2.7mm
Impedance: 20+/-15%
Cable Length: 2.1M+/-0.15
Directionality: Omi-directional
Microphone Impedance: 2.2kohm
Frequency Range: 20Hz-20 KHz
LED Working Voltage: DC5V+/-5%
Microphone Sensitivity: -38+/-3dB
Working Current: headset Jack: USB+3.5mm 4Pin

STEM Four-cylinder Engine External Combustion V4 Stirling Engine Model

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Description:
Item Name: Four-cylinder Engine
Model Size: 270X165X160mm
Flywheel Diameter: 64mm
Piston Diameter:16mm
Piston Stroke: 20mm
Inner Diameter of the Heating Pipe: 20mm
Diameter of Belt Pulley: 29mm

Instructions:

-The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.

-The packing bag of alcohol lamp cotton wear into the metal cap lamp.

-Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.

-Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 20 seconds after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.

Package Included:
1 X Four-cylinder Engine

ALZRC X360 6CH 3D Flying RC Helicopter Kit With 2525 Motor V4 50A Brushless ESC Standard Combo

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Description:
Brand: ALZRC
Item: X360 RC Helicopter
Channel: 6CH

Main Rotor Diameter: 805mm

Main Blade Length: 370mm

Tail Rotor Diameter: 160mm

Tail Blade Length: 62mm

Main Shaft Diameter: 6mm

Spindle Shaft Diameter: 5mm

Tail Shaft Diameter: 4mm

Tail Spindle Shaft Diameter: 3mm

Motor Size: max 32mm diameter,max 48mm height

Battery Compartment: 34*34*120mm

Motor: ALZRC 2525
ESC: ALZRCV4 50A
Color: Red
Weight: 580g (Kit)

Features: 

- The blade is made of 3K carbon fiber (370mm length) coordinated with unique molding technology to improves ints distortion-resistant ability,suitable for violent 3D fly.

- All machine PA engineering plastic parts are adopt the most advanced high-precision mould scheme.

- Apply FBL rotor set and with diameter of 5mm for spindle shaft and 6mm for main shaft 6061-T6 main rotor housing working with precision CNC machining, enhanced the capacity of 3D flight.

- Main rotor set's thrust bearing internal design, substantially increased the resistance of transverse forces, reduce part,s abrasion, circular pitch control  is more precise and more agile, reduce mechanical fatigue of spindle shaft screws. Equipped with m4*8mm screw which increased tooth spacing and gain greater external tension.
- With the new radius arm and two-direction thread locks FBL pull rod.

- Brand new design swashplate with zero gap and double bearing bring you an accurate flght.

- Brand new design ESC mount, lower the installation surface which can be combined with large ESC.

- Apply slideway design for the battery mount, bring more convenient for installation and dasassembly.

Instruction manual, please click here!

Package:
1* ALZRC X360 RC Helicopter Kit
1* ALZRC 2525 Motor
1* ALZRC  V4 50A ESC