Sony True Wireless Headset WF1000XM3B.CE7

Sony WF-1000XM3. Product type Headset. Wearing style In-ear. Recommended usage Calls & Music. Connectivity technology Wireless. Bluetooth profiles A2DP.AVRCP.HFP.HSP. Frequency band 2.4 GHz. Ear coupling Intraaural. Headphone frequency 20 - 20000 Hz. Acoustic system Closed. Microphone type Built-in. Battery type Built-in battery. Battery life (max) 4.5 h. Continuous audio playback time 6 h