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White in-ear wireless earbuds in a charging case with LED display

No Sew

No Sew WFL900/H T18 Wireless Earbuds Bluetooth 5.3 48H LED Display IPX7 White

SKU CH-AC8F-14SQ0

In-ear wireless earbuds with 13.2 mm drivers, Bluetooth 5.3, 48-hour total playtime, IPX7 waterproofing and LED charging case

  • Driver size40 mm
  • Frequency range5 Hz-16 kHz
  • Headphone styleIn Ear
  • Impedance80 ohms
  • Connection3.5 mm
  • Wearing styleEarbud
  • Hi-Fi sound via 13.2 mm driver
  • 48 hours total playtime with LED case
  • Bluetooth 5.3 stable link up to 33 feet
  • IPX7 waterproof for sweat and rain
  • Touch controls for music and calls

In-Ear Earbuds with 13.2mm Driver

These in-ear wireless earbuds use a 13.2mm dynamic driver to produce deep bass, clear vocals and bright treble. Passive noise cancellation helps reduce ambient sound during music or calls. The 32 ohm impedance suits portable Bluetooth sources. They are built for listeners who want immersive audio without a wired connection.

Bluetooth 5.3 Range and Latency

Bluetooth 5.3 provides a stable link up to 33 feet with 0.05s ultra-low latency. Single-charge playback lasts up to 9 hours and the charging case extends total playtime to 48 hours. The dual LED display shows case and earbud power levels. Buyers who need longer continuous use without the case will find the 9-hour limit restrictive.

IPX7 Build and Touch Controls

IPX7 waterproofing protects against sweat and rain for workouts and outdoor use. Touch controls handle playback, calls and volume without physical buttons. The package includes ear cushions, a USB-C charging cable and a user manual. Users who prefer wired listening or on-ear fit should consider other form factors.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 65% of the 7,078 comparable items (median $25.99).

Specifications

Product
Model nameWFL900/H
Part numberT18
Product typeOn-Ear
Product colorWhite
Performance
Supported distance32.81 ft (10 m)
Audio & video
Driver size40 mm
Frequency range5 Hz-16 kHz
Headphone styleIn Ear
Impedance80 ohms
Wearing styleEarbud
Noise cancellationPassive
Mic signal-to-noise ratio38 decibels
Mic sensitivity38 decibels
Connectivity
Wireless technologyBluetooth
Ports & slots
Connection3.5 mm
Size & build
Cord length5.1 ft - 7.9 ft
In the box
In the boxEar Cushions, Charging Case, USB C Charging Cable, User Manual

Questions about this item

Should I pick the 9-hour single-charge option or rely on the 48-hour case total?

The earbuds give up to 9 hours of playback per charge; the LED display case stores enough power for 48 hours total, so you can recharge the buds multiple times before plugging the case in.

What does the 13.2 mm driver size mean for everyday sound?

A 13.2 mm dynamic driver moves more air than smaller units, producing deeper bass and clearer mids so music and calls sound fuller without needing extra EQ.

How does Bluetooth 5.3 with 0.05 s latency affect real-world use?

Bluetooth 5.3 pairs quickly, holds a stable link up to 33 feet, and the 0.05 s latency keeps audio in sync with video or games so you notice no lag.

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