Tronsmart TWS Sounfii R4 headphones (black)

7 h, Wireless
Delivered between Wed, 4.6. and Sat, 7.6.
More than 10 items in stock at supplier

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

Equipment + Functions
True Wireless
Headphone type
Bluetooth headphones
Signal transmission
Wireless
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

Headphone properties

Output
Stereo
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

Bluetooth features

Bluetooth version
5.3
Max. range
10 m

Battery properties

Battery life
7 h
Capacity
35 mAh
Charging input
USB-C

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
2 extra pairs of earbudsUSB 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)
1 additional offer

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