HUAWEI FreeBuds 4, True Wireless Bluetooth Earbuds, Open-fit Active Noise Cancellation Headphones, 3-Microphone System, Wired Charging Case, Silver

NAME：HUAWEI FreeBuds 4*HUAWEI FreeBuds 4 uses adaptive ear-matching technology to detect your unique in-ear shape and how you wear the earbuds, then intelligently selects from a variety of noise cancellation modes to achieve optimal low-frequency sound reduction.*The perfect-circle charging case is designed to fit right in your palm. And now even smaller and lighter, it slips seamlessly into your pocket, for an easier way to take your music with you.*Each earbud is equipped with its own bass-enhancing power engine for greater diaphragm vibration, generating impressively deep bass you can really feel.*NOTE: For tablets and mobile phones, the pop-up pairing function is only available on Huawei devices that run EMUI 10 (or above).SPECIFICATIONS1. Dimensions：Per earbuds[41.4*16.8*18.5mm  4.1g approx]                            Charging case[58*21.2mm  38g approx]2. Battery capacity: Per earbud: 30 mAh (min.) | Charging case: 410 mAh (min.)    Playtime:    Music playback on 1 charge: 4 hours (with ANC disabled)    Music playback on 1 charge: 2.5 hours (with ANC enabled)    Music playback with charging case: 22 hours (with ANC disabled)    Music playback with charging case: 14 hours (with ANC enabled)3. Controls: Swipe | Tap-twice | Press and hold controls4. Bluetooth Compatibility: BT 5.25. Audio Technology：Open-fit active noise cancellation | Call noise cancellation6. Splash, Water, and Dust Resistant: IPX4 – Earbuds7. In The Box    *Earbuds    *Charging case    *Quick Start Guide, Safety Information, and Warranty Card    *Warranty certificate    *USB-C cable