The Boult Buds Klarity 4 are a popular choice for truly wireless earbuds, offering a blend of features for everyday use, calls, and even gaming. 
1. Active Noise Cancellation (ANC):
* Up to 35dB ANC: The Klarity 4 boasts significant Active Noise Cancellation, designed to block out a good portion of ambient noise, allowing for a more immersive listening experience. Some sources even mention a 50dB Hybrid ANC, so there might be variations or different interpretations of the technology.
* Transparency Mode: This allows you to hear your surroundings when needed, which is useful for staying aware of your environment without taking out the earbuds.
2. Crystal Clear Calls:
* Quad Mic Environmental Noise Cancellation (ENC): Featuring a 4-microphone setup with Zen™ Mode ENC, these earbuds aim to cancel out background noise during calls, ensuring your voice comes through clearly to the person on the other end.
3. Impressive Battery Life:
* Up to 60 Hours Total Playtime: With the charging case, the Klarity 4 can offer a substantial total playback time.
* 35 Hours with ANC On: Even with Active Noise Cancellation activated, you can expect a good amount of playtime on a single charge.
* Lightning Boult™ Fast Charging: A quick 10-minute charge can provide up to 150 minutes of playtime, which is very convenient for on-the-go charging.
4. Low Latency Gaming Mode:
* 45ms Ultra-Low Latency Combat™ Mode: This feature significantly reduces audio lag, making the earbuds ideal for gaming where precise audio synchronization is crucial for a competitive edge.
5. Sound Quality and Drivers:
* 10mm BoomX™ Drivers: The earbuds are equipped with these dynamic drivers, designed to deliver clear, rich audio with powerful bass (BoomX™ technology).
* Audio Codecs: Supports AAC and SBC codecs for good audio transmission quality.
6. Connectivity and Convenience:
* Bluetooth 5.4: Ensures a stable, efficient, and reliable wireless connection with quick pairing.
* Dual Device Connectivity: Allows you to connect the earbuds to two devices simultaneously and seamlessly switch between them.
* Boult Amp App Support: Provides additional control and customization options through the dedicated Boult app.
* Touch Controls: Intuitive touch controls for managing music playback, calls, and activating voice assistants.
* AI Voice Assistant Support: Compatible with Google Assistant and Siri.
* Type-C Charging: Modern and convenient charging interface.
7. Durability:
* IPX5 Water Resistant: This rating means the earbuds are protected against splashes of water from any direction, making them suitable for workouts and outdoor activities.