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Black in-ear earbuds with matching charging case and USB-C cable

TOZO Store

TOZO Store A1 In-Ear Earbuds Bluetooth 5.3 Black

SKU CH-1NHH-1BWJM

Ultra-light 3.7g in-ear buds with Bluetooth 5.3, 6 mm drivers, touch controls and a USB-C case giving up to 24 hours total playtime

  • TypeIn-Ear
  • ColorBlack
  • Frequency Response20Hz-20KHz
  • Wireless TypeBluetooth
  • Package Contents1 Pairs TOZO A1 Earbuds Eartips Charging case Charging cable

Color Black

  • Comfortable fit for small ears with 3.7g ultra-light earbuds
  • Dynamic stereo sound from 6mm drivers across 20Hz-20KHz range
  • Convenient dual-ear touch control for music and calls
  • Up to 22 hours total playtime with 400mAh charging case
  • Stable Bluetooth 5.3 connection up to 12 metres

Ultra-light in-ear fit

Each earbud weighs 3.7g and is shaped for small ears, giving a secure fit that does not protrude during sport, workout or gym sessions. Bluetooth 5.3 provides a stable link up to 12m so the buds stay connected while you move. The 20Hz-20KHz frequency response covers the full audible range.

Touch control and case

Dual-ear touch surfaces handle volume, track skip, pause, calls and voice-assistant activation without reaching for a phone. The 400mAh charging case delivers three extra cycles, raising total listening time to 22 hours at 60% volume. A USB-C cable is included for recharging the case.

Battery and codec limits

Each bud holds a 40mAh cell good for 5.5 hours per charge at 60% volume, so all-day use needs the case nearby. Bluetooth 5.3 uses standard AAC/SBC codecs; no high-resolution or low-latency codec is specified. The 6mm drivers cannot reproduce sub-bass below 20Hz. Buyers who want active noise cancellation, wireless charging or longer single-charge runtime should look elsewhere.

Highlights

  • Comfortable fit for small ears with 3.7g ultra-light earbuds
  • Dynamic stereo sound from 6mm drivers across 20Hz-20KHz range
  • Convenient dual-ear touch control for music and calls
  • Up to 22 hours total playtime with 400mAh charging case
  • Stable Bluetooth 5.3 connection up to 12 metres

Specifications

BrandTOZO
ModelA1
TypeIn-Ear
ColorBlack
Frequency Response20Hz-20KHz
Wireless TypeBluetooth
Package Contents1 Pairs TOZO A1 Earbuds
Eartips
Charging case
Charging cable
User manual

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Questions about this item

How often will the 40 mAh earbud batteries need replacing if I charge them daily?

The earbuds hold 40 mAh each and the case 400 mAh; daily charging cycles will gradually reduce capacity, so expect battery replacement after roughly two to three years of regular use.

Will the 6 mm drivers distort first or will the Bluetooth 5.3 link drop out during a long session?

At 60 % volume the drivers run well within their 20 Hz–20 kHz range, so the 12 m Bluetooth 5.3 connection typically reaches its distance limit before any audible distortion appears.

How warm do the 3.7 g earbuds get and what is the power draw during an all-day 5.5 hour shift?

Each earbud weighs 3.7 g and draws only the 40 mAh cell over 5.5 hours, so they stay barely warm and consume minimal power even during continuous playback.

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