Introduction
Thank you for choosing the 4smarts Eara Twin. This device combines a portable Bluetooth speaker with integrated True Wireless Stereo (TWS) in-ear headphones, offering versatile audio solutions for various situations. Please read this manual carefully to ensure proper use and maintenance of your device.
Image: The 4smarts Eara Twin device, showing the white portable Bluetooth speaker with a carabiner clip and the two white in-ear headphones.
Package Contents
Ensure all items are present in the package:
- 1 x 4smarts Eara Twin Bluetooth Speaker (2-in-2)
- 2 x TWS In-Ear Headphones
- 1 x USB-A to USB-C Charging Cable
- 1 x Quick Start Guide
Setup
Initial Charging
Before first use, fully charge the 4smarts Eara Twin speaker and the integrated headphones. Connect the USB-C cable to the speaker's charging port and the other end to a USB power source.
Image: The 4smarts Eara Twin speaker opened, revealing the charging cradle for the earbuds with charging contacts and indicator lights.
Pairing with Bluetooth Devices
- For Headphones: Remove both headphones from the speaker. They will automatically enter pairing mode.
- For Speaker: Ensure headphones are inside the speaker. The speaker will automatically enter pairing mode when activated.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "4smarts Eara Twin".
- Select the device to connect. A voice prompt will confirm successful pairing.
Operating Instructions
Quick Switch Functionality
The Eara Twin allows seamless switching between speaker and headphone modes:
- To use the headphones, simply remove them from the speaker. They will automatically connect to your paired device.
- To use the speaker, place the headphones back into the speaker. The audio will automatically transfer to the speaker.
Image: Illustration demonstrating the quick switch feature between using the headphones for private listening and the speaker for shared audio, with people enjoying music on a beach.
Touch Control for Headphones
The in-ear headphones feature intuitive touch controls:
- Play/Pause: Single tap on either earbud.
- Next Song: Double tap on the right earbud.
- Previous Song: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud during an incoming call.
- Reject Call: Press and hold on either earbud during an incoming call.
Image: A diagram showing the touch-sensitive areas on the earbuds and their corresponding functions for music playback and call management.
Mono Mode
For safety or extended battery life, you can use a single earbud in mono mode. This is particularly useful for hands-free calling while driving.
Image: A woman driving a car, using one earbud, illustrating the safety and convenience of mono mode for hands-free communication.
Independent Use
The speaker and headphones can be connected to two different smartphones simultaneously, allowing for independent audio playback or calls.
Battery Life and Playtime
The Eara Twin offers flexible playtime options:
- Up to 3 hours of music playback with both headphones.
- Up to 12 hours total playtime for headphones by recharging them up to 4 times in the speaker case.
- Up to 24 hours total playtime when using one headphone at a time in mono mode and recharging it in the case.
- Up to 2 hours of music playback when using only the speaker.
Image: A visual representation detailing the various music playtime durations depending on whether one earbud, both earbuds, or only the speaker is used, and how recharging in the case extends total playtime.
Maintenance
Cleaning
Wipe the speaker and headphones with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents. Avoid exposing the device to excessive moisture.
Storage
When not in use, store the Eara Twin in a cool, dry place, away from direct sunlight and extreme temperatures. Always place the headphones back into the speaker for safe storage and charging.
Image: The 4smarts Eara Twin speaker with its lid open, showing the earbuds securely placed inside their charging slots, ready for storage or charging.
Carabiner Clip
The integrated carabiner allows for easy attachment to bags or backpacks, ensuring your Eara Twin is always accessible and secure.
Image: The 4smarts Eara Twin speaker clipped onto a colorful bag, demonstrating the convenience of the snap hook for portability.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery. | Charge the device fully using the provided USB-C cable. |
| Cannot pair with Bluetooth device. | Bluetooth is off on your device; device is out of range; Eara Twin is not in pairing mode. | Ensure Bluetooth is enabled on your device. Move the Eara Twin closer. Remove headphones from speaker to enter pairing mode, or ensure headphones are in speaker for speaker pairing mode. |
| No sound from headphones/speaker. | Volume too low; device not connected; audio source paused. | Increase volume on both Eara Twin and connected device. Re-pair the device. Check audio playback on your source device. |
| One earbud not working. | Low battery; not properly seated in charging case; pairing issue. | Ensure earbud is fully charged. Place it correctly in the speaker case. Try re-pairing both earbuds. |
Specifications
- Model Name: Eara Twin
- Model Number: 4S478597
- Brand: 4smarts
- Connectivity: Bluetooth, USB
- Speaker Output Power: 2 Watts
- Impedance: 4 ohms
- Control Type: Touch Control (Headphones)
- Special Features: High-res audio, Integrated Microphone, USB Port
- Material: Faux leather
- Color: White
- Recommended Uses: Music, Beach
Warranty and Support
For warranty information and technical support, please refer to the official 4smarts website or contact your retailer. Keep your proof of purchase for any warranty claims.
