Cellularline KEY Bluetooth Earbuds
About the Cellularline KEY
The Cellularline KEY is a pair of wireless Bluetooth earbuds designed for everyday use, featuring a compact charging case. The earbuds and case are identified by model numbers BTKEYTWSW and BTKEYTWSK.
Key Features:
- Bluetooth Connectivity (version 5.4)
- Touch controls on earbuds for playback, calls, and voice assistant activation.
- LED indicators on earbuds and charging case for status.
- USB-C charging port for the case.
- Compact charging case for portability and extended battery life.
How to Use
Charging
Place the earbuds into the charging case. Connect the charging case to a power source using a USB-C cable ?. The LED indicators will show the charging status.
Pairing and Connecting
Open the charging case with the earbuds inside. The earbuds will automatically enter pairing mode. On your smartphone or device, enable Bluetooth ? and select "Cellularline KEY" from the list of available devices.
Earbud Controls (Touch)
The earbuds feature touch-sensitive controls:
- Play/Pause/Answer Call: Double tap (X2) on either earbud.
- Next Track: Triple tap (X3) on the right earbud.
- Previous Track: Triple tap (X3) on the left earbud.
- Volume Up: Double tap and hold (2") on the right earbud.
- Volume Down: Double tap and hold (2") on the left earbud.
- Voice Assistant: Single tap (X1) on either earbud to activate your device's voice assistant.
Resetting the Earbuds
If experiencing issues, place both earbuds in the charging case, keep the case open, and press and hold the reset button ⚙️ on the case for approximately 5 seconds until the LEDs flash.
Technical Specifications
- Bluetooth Version: 5.4
- Supported Profiles: HSP, HFP, A2DP, AVRCP
- Range: 10 meters
- Bluetooth Frequency Range: 2402-2480 MHz
- Battery Voltage: 3.7V
- Earbud Battery Capacity: 30 mAh
- Charging Case Battery Capacity: 230 mAh
- USB-C Port Voltage: 5V
- USB-C Port Current: 0.5A
- Maximum EIRP: 6.25 dBm
- Earphone Charging Time (approx.): 1 hour
- Talk Time (approx.): 2.5 hours
- Play Time (approx.): 4.5 hours
- Charging Case Charging Time (approx.): 1.5 hours
- Weight: 52 grams
Safety and Handling Information
- Prolonged exposure to high volume may cause permanent hearing damage.
- Do not use in environments where hearing external noises is critical for safety (e.g., railway crossings, train platforms).
- Comply with local regulations if using while driving.
- Supervise children when using the device. Keep accessories and packaging out of their reach.
- Avoid exposing the device to moisture, dust, soot, steam, direct sunlight, or extreme temperatures, as this may cause malfunctions.
- Use only suitable chargers for charging.
- Charge the product regularly (at least once every 3 months).
- Device usage may interfere with medical devices like pacemakers.
Warranty Information
Cellularline products are covered by a statutory warranty against conformity defects in accordance with applicable national consumer protection laws.
For more information, visit: https://www.cellularline.com/en/garanzia-legale
Disposal Instructions
This product must not be disposed of with other household waste at the end of its life. Recycle responsibly to promote sustainable reuse of material resources. Contact your local dealer or government office for information on separate waste collection and recycling.
The product contains a non-replaceable battery. Do not attempt to open the device or remove the battery, as this could cause malfunctions and seriously damage the product. Contact local waste disposal authorities for battery removal during disposal. The battery is designed to last for the product's entire lifecycle.
For more information, visit: http://www.cellularline.com
Declaration of Conformity
Cellularline S.p.A. declares that this Bluetooth headset with charging case complies with Directive 2014/53/EU and Directive 2011/65/EU (updated by 2015/863/EU).
The full text of the EU Declaration of Conformity is available at: https://www.cellularline.com/en/dichiarazione-conformita