Services
Product type: Headphones
Wearing style: in-ear
Recommended use: calls/music
Headphone type: binaural
Product color: Black
Cable length: 0.3 m
Connections and interfaces
Transmission technology: Wireless
Function: USB port
USB port type: Micro USB
Function: Bluetooth
Bluetooth profiles: A2DP, AVRCP, HFP, HSP
Bluetooth version: 5.0
Function: Microphone input
Frequency band: 2.402 - 2.48 GHz
Wireless range: 10 m
headphones
Headphone speaker position: In-ear
Headphone frequency: 5 - 45000 Hz
Impedance: 16 ohms
Headphone sensitivity: 102dB
Drive unit: 1.1 cm
Driver type: dynamic
microphone
Microphone type: Built-in
Microphone frequency: 50 - 4000 Hz
Microphone sensitivity: -38dB
Built-in microphone directivity: Omnidirectional
Battery/battery
Function: Battery powered
Battery/Battery type: Built-in battery
Battery/battery technology: lithium-ion (Li-Ion)
Continuous audio playback time: 6 h
Features: battery
Battery charging time: 5 hours
Number of batteries supported: 1
Operating conditions
Operating temperature: 5 - 40°C
Weight and dimensions
Weight: 18g
Scope of delivery
Function: carrying bag
Cables included: USB
Accessories included: 3 sizes of silicone ear tips
Function: additional ear buttons
Quantity: 1
Technical details
Function: batteries included
Other functions
USB cable length: 0.3 m
Number of products included: 1 piece
Feature: Charger included
Modulation: FHSS
Function: USB charger included


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It is important to know

Before buying truly wireless headphones like the Audio-Technica ATH-CKR7TW, it's crucial to consider how their design and features will suit you in everyday situations. The most common reasons for pleasant or disappointing use are not always obvious from the technical features — pay attention to the practical consequences of your choice. Also, don't overlook the importance of connection stability and fit based on your habits.

• The wireless design means complete mobility, but it also means the need for regular charging - consider whether the autonomy suits your daily habits.
• The practicality of stereo headphones is greatest for listening to music, videos, and games, but if you're primarily looking for discreet phone calls, there may be a more suitable solution.
• The included charging case makes it convenient to use outside the home, especially if you often have no access to power outlets.
• Microphone quality and connection performance are often more important than less common features for users who frequently make calls in mobile or public environments.

Source of editorial recommendations: general verifiable guidelines for product selection.

In practice

🟢 Listening to music and videos on the go

The stereo true wireless design and included charging case allow for convenient use for music and video series almost anywhere, without annoying cables.

🟢 Hands-free calls while walking or working

The built-in microphone and full wireless connection are suitable for basic calls during everyday tasks or driving.

🟡 Sports and active movement

The headphones are wireless and compact, but the stability of the fit and the level of sweat resistance are not always guaranteed with every model - if you use the product primarily for sports, test the fit before prolonged activity.

🟡 Working from home and video conferencing

Suitable for general communication, but microphone quality and noise filtering for more demanding conversations may not reach the level of specialized models with noise cancellation.

🔴 Discreet one-sided use for long phone calls

Since both earphones are included in the package, there is no option for completely discreet one-sided use for longer calls, as with mono models.

Answers to frequently asked questions

Are these headphones compatible with all phones?

The model works with devices that have Bluetooth support. Please check the Bluetooth compatibility of your device before purchasing.

What does the included charging box mean?

The charging case allows you to charge your headphones multiple times on the go and makes them easier to carry without additional cables.

Can I use one headset separately?

Most wireless stereo models can be used separately, but they are designed as a pair for a stereo experience.

How adequate is the battery life for everyday use?

The battery life is enough for most everyday needs, but frequent use requires regular charging in the case.

Description updated: October 2026

Why buy from ENAA?

• More than 95% of orders are delivered the next business day - you can shop quickly and without a long wait.
• Enaa receives the highest average customer ratings in Slovenia due to its reliable support and easy online shopping.