Sony WH-1000XM4 headphone

wikipedia:Sony WH-1000XM4 (Aug 2020)

• Sony WF-1000XM4

Features

• Fast Pair
• Bluetooth 5.0: Bluetooth Multiple device over the AAC Bluetooth codec
• Noise cancellation
• Wear detection
• USB C

Pros

• Sound quality
• Integrated swipe up/down volume control
• Simultaneous pairing with 2 devices

Cons

• No external battery level indicator
• Not working while charging
• No mute button for microphone
• No on/off status indication

Related headphones

• Microsoft Surface Headphones 2
• Airpod Max
• Sony WH-1000XM5 (Aug 2022)

See also

• Sony, Soneium, WH-1000XM3, WH-1000XM4, WH-1000XM5, WF-1000XM5, WF-C700N, Sony ULT WEAR (WH-ULT900N)
• Bluetooth, BNEP, Fast Pair, AVRCP, A2DP, BLE, AAC, Bluetooth multipoint, Bluetooth LE, Auracast, Dual Audio, Auracast
• Headphone, Buds, Over-ear headphones, ANC, Noise-canceling microphone, Bose, Sony: Sony WH-1000XM4, Beats, Microsoft Surface Headphones 2, AirPods Max, Panasonic Technics EAH-A800, Jabra, Mute, Marshall Monitor III A.N.C.

https://www.soundguys.com/bluetooth-multipoint-explained-28601/