Gymboss Interval Timer and Stopwatch White/Grey Gloss — Compact Clip-On, Vibration & Chime

Gymboss Interval Timer and Stopwatch in white/gray gloss is a compact, repeatable interval timer and stopwatch built for HIIT, circuit training, and timed workouts.

This pocket-sized device combines an interval timer, stopwatch and clock into a sweat-resistant unit that clips to your belt or shorts. It times intervals from two seconds to 99 minutes, repeats sequences automatically, and notifies you with a chime or vibration. Lightweight and rugged, it’s designed to keep you on schedule without carrying a phone or bulky gadget.

How precise are the intervals and how long can a session run?

The Gymboss times single or paired intervals with fine granularity, from 2 seconds up to 99 minutes. You can chain intervals in auto mode and set the unit to repeat the sequence up to 99 times, letting you run long or short workouts without manual resets.

• Interval range: 2 seconds to 99 minutes per interval.
• Repeat capability: up to 99 automatic repeats.
• Two-interval mode for work/rest setups or complex circuits.
• Alarm length options: 1, 2, 5, or 9 seconds for audible notification.

What kinds of alerts does it use and will I notice them during training?

The unit offers both audible chimes and a vibration alert, so you’ll get consistent feedback whether you’re in a noisy gym or need a silent option. The alarm duration is adjustable, and the chime/vibrate combination ensures you won’t miss interval changes during high-intensity sets.

• Chime and vibration notifications for flexible feedback.
• Selectable alarm durations to match environment and preference.
• Clear, concise alerts made for gyms, outdoor runs, and classes.
• Useful when paired with a belt clip or placed on equipment nearby.

How portable and durable is the Gymboss during real workouts?

About the size of a small pager, the Gymboss is lightweight and measures approximately 55 × 44 × 14 mm. It’s sweat- and impact-resistant for everyday training and ships with a secure removable belt-clip so it stays put during movement.

• Compact dimensions: 2.25 × 1.75 × 0.5 inches—fits easily in a pocket.
• Secure, removable belt-clip included for hands-free wear.
• Designed to resist sweat and tolerate incidental impacts.
• Runs on one AAA battery (not included) for simple field use.

Which workouts and athletes benefit most from this timer?

The Gymboss is tailored for interval-based training protocols—HIIT, Tabata, AMRAP, circuit rounds and anything needing accurate work/rest timing. Coaches, athletes, and active enthusiasts who prefer a dedicated device over a phone will appreciate the simplicity and reliability.

• Ideal for HIIT, CrossFit, Tabata, boxing, martial arts, and running drills.
• Useful for strength sessions, kettlebell rounds, and conditioning sets.
• Coaches can use it for class pacing and timed stations.
• Portable backup when phones are impractical or restricted.

Who is this for: gym-goers and trainers who want a no-frills, dependable interval timer that’s small enough to carry everywhere. If you need precise, repeatable timing without smartphone distractions—whether for sprint intervals, circuit stations, or timed strength work—the Gymboss white/gray gloss offers a straightforward, durable solution that stays out of the way and keeps your sessions on track.