Tronsmart TWS Sounfii R4 headphones (black)

ANC, 28 h, Wireless
Delivered between Tue, 23.12. and Wed, 24.12.
10 pieces in stock at third-party supplier
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Product details

The Tronsmart Soundfii R4 are wireless headphones with a futuristic design that enable particularly clear calls even in noisy environments. Equipped with ENC technology, they eliminate background noise for clearer conversations in crowded places. The 12 mm titanium driver delivers deep bass and clear highs, contributing to a balanced sound. The ergonomic design and customizable ear tips ensure optimal comfort and stability, making them ideal for sports activities or long-distance travel. The headphones boast an impressive battery life of up to 28 hours thanks to the built-in 400 mAh battery, with the earbuds alone offering up to 7 hours of playback time. Operating all functions is straightforward. The Tronsmart Soundfii R4 supports Bluetooth version 5.3 and offers a working range of up to 10 meters. Additionally, they feature an IPX4 water resistance rating and come with a USB-C port. The package includes two extra pairs of ear tips and a USB cable to meet the needs of various users. Overall, they are lightweight and made from durable plastic material for everyday use.

Key specifications

Signal transmission
Wireless
Application range
Sports
Equipment + Functions
True Wireless
Noise cancelling
ANC
Audio Connections
1 x USB-C
Headphone type
Bluetooth headphones
Item number
46319726

General information

Manufacturer
Tronsmart
Category
Headphones
Manufacturer no.
R4 Black
Release date
5.6.2024

Colour

Colour
Black
Exact colour description
Black

Material

Material
Plastic

Application range

Application range
Sports

Headphone properties

Output
Stereo
Noise cancelling
ANC
Equipment + Functions
True Wireless
Signal transmission
Wireless

Headphone type

Headphone type
Bluetooth headphones
Fit
In Ear
Driver diameter
12 mm
Protection type (IP code)
IPX4

Connections

Audio Connections
1 x USB-C

Bluetooth features

Bluetooth version
5.3
Max. range
10 m

Battery properties

Battery life
28 h
Capacity
400 mAh
Charging input
USB-C

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
3 sizes of earplugsUSB-C charging cable

Product dimensions

Height
4.10 cm
Width
10 cm
Depth
10.20 cm
Weight
45 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Tronsmart
    Not enough data
  • 1.Avizar
    0 %
  • 1.Digitus
    0 %
  • 1.Tweezerman
    0 %
  • 4.Sandberg
    0.1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Tronsmart
    Not enough data
  • 1.-
    0 days
  • 1.1More
    0 days
  • 1.3MK
    0 days
  • 1.4smarts
    0 days

Return rate

How often is a product of this brand in the «Headphones» category returned?

Source: Digitec Galaxus
  • Tronsmart
    Not enough data
  • 1.2GO
    0 %
  • 1.Awei
    0 %
  • 1.ESP
    0 %
  • 1.OEM
    0 %
Source: Digitec Galaxus