Bose QuietComfort Earbuds Completely Wireless Active Noise Canceling Earbuds Bluetooth Connection Up to Hours of Continuous Playback Fast Charging

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Unstoppable sound gives you power: Wireless Bluetooth earphones with world-class noise canceling. You can shut out surrounding sounds and enjoy the best sound anytime. Overwhelmingly powerful sound: Concentrate on studying or working while listening to music. These are Bluetooth wireless earphones that are compliant with IPX4 standards and allow you to enjoy high quality sound anytime, anywhere. Enjoy all-day sound with long life: Bluetooth noise canceling earphones that can play continuously for up to 8.5 hours. If you quickly charge for 20 minutes with the wireless charging case, you can get an additional 2 hours of playback. Comfortable fit for long-term wear: Adjust your Bluetooth earphones for a comfortable fit by combining 3 sizes of ear tips and a stability band (included). Hands-free and effortless switching: Connect your Bluetooth earphones to multiple devices seamlessly using Bluetooth multipoint functionality. It also supports Bluetooth 5.3, so you can maintain a stable connection up to 9 meters. One-touch control: Bluetooth wireless earbuds feature customizable tap controls. You can easily skip songs, adjust the volume, pause and play, etc. Control everything with the Bose QCE app: Seamlessly adjust bass, mids, and treble to customize your sound with in-app equalizer settings. Additionally, you can check the lifespan, connect and manage devices from the app.