The 4smarts Eara Twin is a compact True Wireless in-ear headset combining stereo music playback with a built-in Bluetooth speaker. The integrated speaker allows shared audio playback without additional devices, while the TWS design delivers wireless freedom for everyday listening.
Built-in Bluetooth speaker for shared listening sessions without extra hardware
True Wireless design with integrated charging case for on-the-go power
In-ear semi-open build with call management for hands-free communication
Lifestyle-oriented design suited for daily commutes, workouts, and casual listening
Das zeichnet den 4smarts Eara Twin aus
The dual-function concept pairs a compact TWS earbud with a built-in loudspeaker in a single device. The semi-open in-ear construction balances comfort and stability, while the integrated charging case extends playback time between charges. The Lifestyle positioning targets users who want a versatile, all-in-one audio companion.
Ideal für...
Commuters and fitness enthusiasts who value a compact, multi-purpose audio device. The built-in speaker makes it suitable for quick shared listening moments — at the office, in the gym, or during social gatherings — without reaching for a separate Bluetooth speaker.
Anwendung von 4smarts BT Speaker & integr. TWS Kopfhörer
Place the earbuds in your ears for private stereo music or call audio
Activate the built-in speaker for shared audio playback in group settings
Use the charging case to store and power the earbuds between uses
Manage calls hands-free via the integrated call management feature
4smarts is a Swiss consumer electronics brand specializing in compact audio accessories and lifestyle-oriented Bluetooth devices. The product line spans True Wireless earbuds, portable speakers, and charging solutions, targeting everyday users who value portability and multi-functionality. Brand information sourced from the manufacturer name and product category in the Alltron feed.
The 4smarts Eara Twin is a True Wireless in-ear headset with a built-in Bluetooth speaker. It is used for private stereo music playback, hands-free calls, and shared audio playback via the integrated loudspeaker.
It connects via Bluetooth to any Bluetooth-enabled device such as smartphones, tablets, and laptops. The built-in speaker does not require a separate pairing partner.
In-ear semi-open design, True Wireless connectivity, Bluetooth connection, built-in charging case, call management function, and a weight of 0.16 kg including case.
The set includes the Eara Twin earbuds, the integrated charging case, and a USB charging cable.
The product comes with a 24-month manufacturer warranty covering defects in materials and workmanship.
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