Anker Soundcore Liberty 4 (Bluetooth 5.3) [True Wireless Earbuds / Ultra Noise Cancelling 2.0 / 3D Audio / Wireless Charging / Multipoint Connection /

Delicate and Rich Sound: Equipped with Anker's proprietary "A.C.A.A 3.0" driver, it delivers delicate and rich sound quality that clearly reproduces even the subtlest sounds. It also supports the high-quality LDAC codec.

360° Audio Experience with 3D Audio: A unique algorithm processes sound sources in real time, providing an immersive audio experience like being at a live concert or movie theater. It also features head tracking that detects and follows head movements.

Ultra Noise Cancelling 2.0: Anker's proprietary Ultra Noise Cancelling 2.0 technology automatically adjusts the intensity of noise cancellation. It also features wind noise reduction.

Health Monitoring: Features include heart rate monitoring, stress check, posture reminder, and workout functions. This product is also IPX4 waterproof. Package contents: Earphones, charging case, ear tips (4 types), USB-C & USB-A cable, quick start guide, safety manual, and certified product (frequency band: 2.40-2.48GHz).