Huawei FreeBuds Pro. Product type: Headset, Wearing style: In-ear, Recommended usage: Calls & Music. Connectivity technology: Wireless, Bluetooth profiles: A2DP,AAC,SBC. Ear coupling: Intraaural, Intraaural headphones type: In-ear monitors, Acoustic system: Closed. Microphone type: Built-in. Battery type: Built-in battery, Battery technology: Lithium Polymer (LiPo), Battery life (max): 30 h |