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
Black in-ear wireless earbuds with matching charging case and LED display

jaddsa T18 In-Ear Headphones Bluetooth 5.3 48H Black

SKU CH-7RKE-M44JW

In-ear wireless earbuds with 13.2 mm drivers, Bluetooth 5.3, 9-hour bud life, 48-hour case total, LED power display and IPX7 waterproofing

  • TypeIn-Ear
  • ColorBlack
  • Driver Unit13.2 millimeters
  • Frequency Response8Hz-50KHz
  • THDIn Ear
  • Input Impedance32 ohms
  • 2 mm driver delivers deep bass and clear treble
  • Bluetooth 5.3 gives stable pairing up to 33 feet
  • 48 hours total playtime with LED case display
  • IPX7 waterproof rating handles sweat and rain
  • 9 hour single-charge life with 1.5 hour recharge

What the T18 in-ear headphones deliver

The jaddsa T18 are wireless in-ear headphones using Bluetooth 5.3 for stable pairing up to 33 feet. They target listeners who want deep bass and clear vocals from a 13.2 mm driver without a cable. The IPX7 rating handles sweat and rain, while touch controls manage playback and calls. Buyers who need over-ear comfort or a wired jack should look elsewhere.

Thermals noise and power in daily use

Passive noise isolation blocks ambient sound without active circuitry that would drain the battery. Each earbud runs up to 9 hours on a single charge, and the case adds three more full cycles for 48 hours total. Recharging the case takes 1.5 hours via USB-C, while the buds themselves need 2 hours. No fan, pump or heat-pipe exists, so operation stays silent.

The spec that decides fit

The 48-hour combined playtime with LED case display is the deciding figure. If your commute, workday or travel routine regularly exceeds that window without access to a USB-C charger, the T18 will fall short. For users who can top up the case every couple of days, the battery life matches the claim.

Highlights

  • 2 mm driver delivers deep bass and clear treble
  • Bluetooth 5.3 gives stable pairing up to 33 feet
  • 48 hours total playtime with LED case display
  • IPX7 waterproof rating handles sweat and rain
  • 9 hour single-charge life with 1.5 hour recharge

Specifications

Brandjaddsa
ModelT18
Part NumberT18
TypeIn-Ear
ColorBlack
Driver Unit13.2 millimeters
Frequency Response8Hz-50KHz
THDIn Ear
Input Impedance32 ohms
Signal to Noise Ratio(SNR)98 decibels
Sensitivity98 decibels
ConnectorNo Jack
Ear CouplingSingle Ear
Cord LengthUSB C Charging Cable
Noise CancellingPassive
Wireless TypeBluetooth
Battery9 hours
Operating Time9 hours
Charge Time2 hours, 1.5 hours
Distance33 feet
Microphone Impedance~3K ohm
Microphone Frequency Response50Hz-20KHz
Microphone Signal to Noise Ratio(SNR)98 decibels
Microphone Sensitivity98 decibels
Featurespassive_noise_cancellation, 5.3, 9 hours, Without Cable, Touch Control, touch, Wireless, In Ear, dynamic_driver, 32 ohm, 33 feet, Wireless earbuds
Package ContentsWireless earbuds, Charging Case, USB C Charging Cable, User Manual

Questions about this item

How do I pair the T18 earbuds with my phone for the first time?

Open the charging case and remove both earbuds; they enter pairing mode automatically. Select "T18" in your device's Bluetooth 5.3 menu. The LED display on the case shows the case battery level and confirms each earbud is charging when replaced.

What part of the T18 will wear out first and need replacement?

The internal lithium-ion batteries in each earbud and the charging case degrade over repeated charge cycles. After several hundred cycles the 9-hour single-charge runtime and 48-hour total playtime will shorten noticeably, and the batteries are not user-replaceable.

How long can I use the T18 earbuds continuously before the battery runs out?

Each earbud delivers up to 9 hours of playback on a full charge. The charging case holds enough reserve power to recharge the earbuds roughly four more times, giving a combined 48 hours before the case itself must be plugged in via USB-C.

Also in this aisle

People compared these

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