Neck and shoulder tension from desk work does not build up evenly — it concentrates in specific places. The trapezius muscles at the base of the neck take most of the load from hours of forward head posture. The upper cervical muscles tighten from screen time and static sitting. Standard heat pads warm the surface. Standard vibration devices shake without targeting. The N-7 uses a mechanical kneading system with eight nodes arranged to match the anatomy of the neck and shoulder — lifting, pressing, and kneading the specific muscles where tension concentrates, with heat applied at the same time.

The N-7 Performance Pillars

The N-7 uses eight kneading nodes arranged in two zones — upper nodes that work the neck and lower thumb-style nodes that target the trapezius — replicating the lifting and pressing motion of a manual massage.

The upper eight nodes move in a rotating pattern that kneads along the cervical muscles from the base of the skull downward. The lower nodes are shaped and positioned to press into the trapezius — the large muscle running from the base of the neck across the top of the shoulders that carries most of the tension load from desk-based work. Both zones operate simultaneously. You do not need to choose between neck and shoulder coverage — both are addressed in a single session. The kneading motion is mechanical, not vibration — the nodes physically rotate and press rather than shake.

The N-7 runs from a 2000mAh rechargeable battery for 70–80 minutes per charge — long enough for multiple sessions without reaching for the cable.

The battery charges via USB-C in 3 hours from flat. The device cannot be used while charging — a safety requirement for lithium battery devices confirmed in the product manual. One full charge gives you five to six 15-minute sessions. The wireless design means you are not tethered to a wall socket during use — you can sit on a sofa, recline in a chair, or use it at your desk without managing a cable around the device and your neck at the same time.

The N-7 heat function operates at 40–45°C across two selectable levels, applying warmth directly to the contact points where the kneading nodes sit against the muscle.

Heat at this range increases circulation in the target tissue without reaching temperatures that cause discomfort or surface burns with normal use. The two heat levels allow you to start lower and increase if needed — or keep it lower for longer sessions. Heat and massage operate independently — you can use kneading without heat, heat without kneading, or both together. The nodes are made from food-grade silicone, which is skin-safe, soft enough to conform to the contours of the neck, and easy to wipe clean after use.

The N-7 has three massage speed settings and an automatic shutoff — giving you a structured session without needing to monitor time or manage the device manually.

Low speed is suitable for sensitive areas or the start of a session when muscles are cold. Medium and high increase the kneading intensity for deeper tissue work. The device shuts off automatically after each session — confirmed in the product manual. Available in three sizes (S, M, L) to fit different shoulder widths. Weight is 760g — light enough to wear without the device pulling down on the shoulders during use.

Technical Specifications

• Massage type: 4D shiatsu kneading — 8 nodes, 2 zones

• Upper nodes: Cervical kneading (8 finger-style)

• Lower nodes: Trapezius press and lift (thumb-style)

• Massage speeds: 3 settings — low, medium, high

• Heat range: 40–45°C

• Heat levels: 2 adjustable settings

• Battery: 2000mAh rechargeable lithium (18650)

• Charging: USB-C (cable included)

• Charge time: 3 hours

• Usage time: 70–80 minutes per charge

• Auto shutoff: Yes — timed per session

• Node material: Food-grade silicone

• Housing: ABS

• Cover: PU leather

• Device weight: 760g

• Power input: 5V / 10W

• Sizes available: S / M / L

• Certifications: CE, FCC, RoHS

• UKCA: To be confirmed with supplier

• Wireless: Yes — battery powered

What's In The Box

• N-7 massager unit

• USB-C charging cable

• Instruction manual

• Retail box

Add the N-7 to Your Recovery Routine

The N-7 pairs with The Zero-Equipment Athlete blueprint which covers desk worker recovery routines and how to address the specific muscle tension patterns caused by long working hours — available with your order.

Before You Use

Read the full instruction manual before first use. Do not use this device if you have a pacemaker, implantable cardiac device, or any implanted electronic medical device — the device may interfere with their function. Do not use during pregnancy. Do not use if you have metal implants in the neck or shoulder area. Do not use on open wounds, inflamed skin, or areas with active skin conditions. Do not use a single area of the body for more than 10 minutes continuously to avoid skin irritation from prolonged heat and pressure contact. Do not use while sleeping. Keep away from water. Do not use while charging. If you experience discomfort during use, stop immediately and consult a doctor. Children and pregnant women should not use this device. Consult your doctor before use if you are currently taking medication, have cardiac conditions, neurological conditions, abnormal blood pressure, or any condition listed in the contraindications section of the instruction manual.

Sourcing Transparency

The N-7 is sourced from a verified manufacturer and supplied in original manufacturer packaging. PeakFit independently selects products against our technical specification standards and provides support directly to every customer. Contact us at peakfitstore.com with any questions