We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Light pink true wireless earbuds in matching charging case with dual LED display

No Sew

No Sew FBYYK-750 Light Pink True Wireless Earbuds 48H Bluetooth 5.3 13mm 32ohm IPX7

SKU CH-QWXS-0D2C1

True wireless earbuds with 13mm drivers, Bluetooth 5.3, IPX7 waterproofing and 48-hour total playtime

  • TypeTrue Wireless
  • ColorLight Pink
  • Driver Unit13 millimeters
  • THDTrue Wireless
  • Input Impedance32 ohms
  • Power Supplybattery, true
  • 48 hours total playtime with charging case
  • 13 mm dynamic drivers deliver immersive Hi-Fi stereo sound
  • Bluetooth 5.3 provides stable connection up to 33 feet
  • IPX7 waterproof rating protects against sweat and rain
  • Environmental noise cancellation microphone for clear calls

Light Pink True Wireless Earbuds 48H

These CoolJumper FBYYK-750 true wireless earbuds in light pink deliver up to 48 hours of total playtime using the charging case and Bluetooth 5.3 connectivity. The 13 mm dynamic drivers and 32 ohm impedance provide stereo sound for music, calls and workouts.

For active listeners who need long battery life

Suits runners, gym users and commuters wanting IPX7 waterproof protection and a secure in-ear fit with touch controls. Not for buyers who require active noise cancellation, multi-point Bluetooth pairing or a USB-C fast-charge specification.

48-hour total playtime with IPX7 waterproof rating

The charging case supplies enough reserve power for 48 hours of listening, while each earbud weighs 4 grams and resists sweat and rain to IPX7. A 1.5 hour charge restores the case and the Bluetooth 5.3 link remains stable up to 33 feet.

Highlights

  • 48 hours total playtime with charging case
  • 13 mm dynamic drivers deliver immersive Hi-Fi stereo sound
  • Bluetooth 5.3 provides stable connection up to 33 feet
  • IPX7 waterproof rating protects against sweat and rain
  • Environmental noise cancellation microphone for clear calls

Specifications

BrandCoolJumper
Series1
ModelFBYYK-750, FB-YYK750-Light Pink
TypeTrue Wireless
ColorLight Pink
Driver Unit13 millimeters
THDTrue Wireless
Input Impedance32 ohms
Power Supplybattery, true
Ear CouplingSingle Ear
Cord LengthWireless Charging Case
Weight250 grams
Noise Cancellingenvironmental_noise_cancellation
Battery2 years
Operating Time2 years
Charge Time1.5 hours
Distance33 feet
Contains Embedded Batterybattery
Microphone Impedance~3K ohm
Featuresenvironmental_noise_cancellation, 5.3, 2 years, Touch Control, touch, Wireless, True Wireless, dynamic_driver, 32 ohm, 33 feet, Wireless Earbuds(L&R)
Package ContentsWireless Earbuds(L&R), Ear Caps(S&M&L), Wireless Charging Case, Cable

Questions about this item

How long do the earbud batteries last before they need replacement?

The supplier rates the battery life at 2 years under normal use.

What limits continuous listening time on a single charge?

Each earbud provides up to 6 hours of playback before the case must recharge them.

How much heat or noise do the earbuds produce during all-day use?

The lightweight 4-gram design and IPX7 rating keep them cool and silent during extended wear.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.