Anker Soundcore Liberty 4 True Wireless Earbuds with Ultra Noise Cancelling 3D Wireless Ambient Sound Up to 28 Hours of IPX4 Health and PSE Technical

Delicate and Rich Sound: Equipped with Anker's proprietary driver "A.C.A.A 3.0," it delivers rich and detailed sound quality with clear, detailed sound. It also supports the high-quality codec LDAC. 3D audio for a 360-degree sound experience: A unique algorithm processes sound sources in real time, providing an audio experience that makes you feel like you're in a live concert or movie theater. It also features head tracking that detects and follows your head movements. Ultra Noise Cancelling 2.0: Anker's proprietary Ultra Noise Cancelling 2.0 technology automatically adjusts noise cancellation strength and also features wind noise reduction. Health monitoring: Heart rate monitoring, stress check, posture reminders, workout functions, etc. This product also meets the IPX4 waterproof standard. Package contents: Earphones, charging case, ear tips (4 types), USB-C & USB-A cable, quick start guide, safety manual, technical conformity mark certified product (frequency band: 2.40-2.48GHz) Product Specifications Playable time ・Normal mode: Up to 9 hours (earbuds only) / Up to 28 hours (when using the charging case) Noise canceling mode: Up to 7 hours (earbuds only) / Up to 24 hours (when using the charging case) ・When using LDAC (normal mode): Up to 6 hours (earphones only) / Up to 30 hours (when using the charging case) LDAC (noise canceling mode): Up to 5.5 hours (earphones only) / Up to 16.5 hours (with charging case) *Playback time is the time when music is being played and varies depending on the volume, content being played, and usage environment. Charging method: USB Type-C / Wireless charging Charging time: Approx. 1 hour (earphones) / 2 hours (charging case with USB-C cable) / Approx. 3 hours (charging case with wireless charging) Weight: Approx. 5.8g (earphone unit per ear) / Approx. 55g (including charging case) Communication method: Bluetooth 5.3 Bluetooth profiles: A2DP, AVRCP, HFP, HSP Supported codecs: SBC / AAC / LDAC Note - iOS devices such as iPhone and iPad do not support LDAC. - When using LDAC, please turn on the function in the Soundcore app. -LDAC cannot be used during multipoint connections. - "LDAC," listed as a supported codec, can be used after updating the Soundcore app and earphone firmware. ・When using LDAC, please make sure that your device is running Android 8.0 or later and supports LDAC. ・When using the Soundcore app, please make sure that your earphones' firmware is up to date. (You can also use the earphones without the app.) ・The Soundcore app is not compatible with DAP devices (digital audio players). ・The right earphone is equipped with a sensor. Please be careful not to let water splash into the filter where the ear tip is attached. ・Please note that product specifications may be changed without notice. ・Product packaging may change without notice. Please note that depending on when you purchase, the product may be delivered in a different package. However, there is no difference in the product itself.