We designed our Accessories Bundles to enhance your quality of life with Xen. Improve sleep, mood, and focus, all while reducing stress. Add on our all-in-one accessories bundle to protect your Xen and ensure longevity in use. Features Use these headphones and earbuds as a spare or replacement set. They work in tandem with Xen to deliver VNS signals through your left ear.    Personalize and protect your Xen from scratches, smudges, dust, and debris with this silicone sleeve.   Spare or replacement Micro-Drop Sprayer to optimize your Xen experience.   Spare or replacement USB-C Charging Cable for use with Xen  Spare or replacement USB Wall Adapter for use with Xen  Store and protect your Xen, Xen Headphones, Micro-Drop Sprayer, USB-C Charging Cable, and USB Wall Adapter while you’re on the go. What’s in the box Xen Headphone Set (Extra Pair w/ Earbuds) Xen Protective Sleeve  Neuvana Micro-drop Sprayer Neuvana travel case Specs  Headphones + Earbuds weight: 0.5 oz Transducer: Speaker driver Impedance: 16 +/-2.4 ohms Frequency response: 20-20,000 Hz Sensitivity: 94 +/-3 dB @1kHz, 1 mW Protective Sleeve Material: soft silicone Micro-drop Sprayer Volume: 5 mL  Materials: Glass and plastic Charger Length: 1.5 m (4.9 ft)   USB port, USB-C connection Charges at 5V, 1A Neuvana Travel Case Material: neoprene Dimensions: 6.5 x 2.5in Weight: 2.5oz