CoolJumper earbuds with LED case display for quick battery status.
CoolJumper ergonomic ear-hook fit stays secure during workouts.
CoolJumper BT5.3 earbuds pair instantly for seamless use.
CoolJumper 13mm driver delivers clear bass with balanced mids.
CoolJumper IP7 waterproof design protects against sweat during workouts.
CoolJumper CVC 8.0 reduces background noise for clear calls.

CoolJumper

CoolJumper Wireless Bluetooth Earbuds – 120H Playtime, BT 5.3, LED Charging Case

High-performance electronics accessories made for confident daily results

$31.76

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Why customers choose Nexoltic

Elevate your listening with CoolJumper Earbuds

Experience immersive sound with a 13mm driver and an in‑ear design that highlights bass, mids, and treble. This setup aims to deliver clear, balanced audio across genres, from upbeat tracks to podcasts. The compact design sits snugly yet comfortably, making long sessions feel effortless.

Designed for everyday use and active days alike, these headphones pair quickly via Bluetooth 5.3 for a stable connection. After the initial pairing, they reconnect automatically to your last-used device, so you can focus on your workout or commute without fiddling with settings.

All-day listening with a smart charging case

The earphones offer up to 18 hours of playback on a single charge. The included LED charging case stores power and displays battery status, helping you plan sessions without interruptions. In total, the case extends use time to roughly 120 hours when charging and storing energy between sessions.

Better conversations and noise-aware listening

With CVC 8.0 noise reduction and an inline microphone, you can tackle calls in busier environments. A dedicated microphone system helps your voice come through clearly, even when ambient sounds rise.

Stay comfy and secure during activity

The ergonomic ear-hook design keeps the buds in place during workouts, running, or training. The IP7 waterproof rating adds resilience against sweat and moisture, so you can push your routine without worry.

What you get

  • CoolJumper wireless earbuds with a compact LED charging case
  • 13mm driver for rich, full-range sound
  • Bluetooth 5.3 for stable wireless connectivity
  • One-step pairing for quick setup
  • Up to 18 hours of playback; 120 hours with the case
  • CVC 8.0 noise cancellation for clearer calls
  • IP7 sweatproof waterproof design
  • Ergonomic ear-hook for secure fit

Where these earbuds shine

  • Commuting and travel with reliable battery and stable connection
  • Gym workouts or outdoor runs with secure fit and moisture protection
  • Everyday listening and calls with clear sound and voice pickup

FAQ

Q: What is the battery life of CoolJumper Earbuds on a single charge?

A: Up to 18 hours of playback per charge, with the LED charging case extending total use to about 120 hours.

Q: Are these earbuds suitable for workouts and sweat?

A: Yes. They feature an ergonomic ear-hook design and an IP7 sweatproof rating for active use.

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