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Small black mono earpiece with ear hook and microphone boom

ADADPU S525 Bluetooth 5.0 Mono Headset Black

SKU CH-1ANH-FRH9G

Bluetooth 5.0 mono earpiece with CVC 8.0 dual-mic noise cancellation, 16 hours talk time, multipoint pairing and a 360° adjustable hook weighing .3 ounces

  • Headphone styleIn Ear
  • ConnectionNo Jack
  • Wearing styleSingle Ear
  • Noise cancellationActive
  • Wireless technologyBluetooth
  • Battery pack16 h
  • Clear calls with CVC 8.0 dual-mic noise cancellation
  • 16 hours talk time from 2.5 hour charge
  • Multipoint Bluetooth 5.0 connects two devices at once
  • Ultralight .3 oz design with 360° adjustable ear hook
  • Voice-assistant button for hands-free control up to 33 ft

ADADPU S525 mono Bluetooth headset

The ADADPU S525 is a single-ear Bluetooth 5.0 headset weighing 0.3 ounces. It targets professionals who need clear voice pickup during calls, online meetings or while driving. Active noise cancellation and dual microphones suppress background sound for both parties. The in-ear design with adjustable ear hooks keeps the earpiece secure on either ear.

Upgrade from wired or older Bluetooth earpieces

Replaces tethered headsets and earlier Bluetooth models that lack multipoint pairing or CVC 8.0 noise reduction. The jump is worth it when you regularly switch between two devices such as a phone and a laptop, or when you need 16 hours of talk time without recharging. A 2.5-hour charge via the included cable restores full capacity, and standby reaches 10 days.

Sustained call performance

During long conversations the 10 mm graphene driver maintains consistent audio clarity while the QCC-3020 chip manages a stable link up to 33 feet. Battery delivery stays flat across the 16-hour rated window rather than fading after a short burst. The 360-degree adjustable hook distributes pressure evenly, preventing fatigue during back-to-back meetings. Voice-assistant activation remains responsive throughout the session.

How it compares

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

Price $46.99
Pricier than about 70% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameADADPU
Model nameS525
Part numberS525
Product typeIn-Ear
Product colorBlack
Performance
Supported distance10 m
Audio & video
Headphone styleIn Ear
Wearing styleSingle Ear
Noise cancellationActive
Connectivity
Wireless technologyBluetooth
Ports & slots
ConnectionNo Jack
Power
Power supplyYes
Battery pack16 h
Run time16 h
Charging time2.5 h
Size & build
Product weight0.3 oz
In the box
In the boxUser Manual, Cable

Questions about this item

How much does the S525 headset weigh, and will it fit either ear?

It weighs 0.3 ounces and includes 360° adjustable ear hooks that fit both left and right ears.

What is the pairing process, and what step do users often miss?

Hold the MFB for 5 seconds until the indicator flashes blue and red, then select S525 on the phone; the headset auto-reconnects afterward.

How long does the battery last, and how is it recharged?

Up to 16 hours talk time with 10 days standby; recharge via the included Type-C cable in 2.5 hours.

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