• Free oxygen cable
• Small but strong clipcord
• Regulable spring strenght. Open( more strenght) or close (less) carefully the spring and apply warm( with a lighter) during 1 second and keep the position until the spring gets cold
• Black sleeves
• Really comfortable and soft cable
• 7 feet (2 meters length)
• Handmade Amphenol gold plated jack
• 1 year guarantee.