OverviewThe HUAWEI FreeBuds 4i headphones are true wireless stereo (TWS) headphones consisting of left and right earbuds and a charging case, and feature an in-ear design for comfort when wearing. HUAWEI FreeBuds 4i Headphones can be connected with other devices such as phones, tablets, and PCs via Bluetooth to make voice calls and play music. With a 10mm diameter dynamic driver unit, dual microphones for cancellation of ambient noise during calls, Active Noise Cancellation (ANC) and awareness mode, the HUAWEI FreeBuds 4i headphones achieve crystal-clear audio delivery. With a low consumption solution and 55 mAh battery. HUAWEI FreeBuds 4i earbuds feature an in-ear design for increased comfort when being worn. The HUAWEI FreeBuds 4i earbuds can be quickly connected with other devices such as phones, tablets, and PCs over Bluetooth to make voice calls and play music. Featuring a 10 mm-diameter dynamic driver unit, two microphones for environmental noise cancellation during calls, feedforward active noise cancellation (ANC), and Awareness mode, the HUAWEI FreeBuds 4i earbuds achieve crystal clear audio delivery. With a low power solution and 55 mAh battery, the HUAWEI FreeBuds 4i earbuds have a long battery life and a fast charging speed via the charging case.