The Sony WH-ULT900N is a closed-back, over-ear headset that connects wirelessly over Bluetooth 5.2 or with a cable. It has 4 cm dynamic drivers with neodymium magnets, a built-in microphone for calls, and noise filtering. Controls are touch-based.
It works with Google Assistant, Apple Siri and Amazon Alexa, and supports HD Voice. Voice guidance is in English. LED indicators show charging and power status.
The built-in lithium-ion battery runs up to 50 hours of audio playback with noise canceling off and up to 30 hours with it on. A 10-minute quick charge is available, and charging is by USB cable.
- Type
- Over-ear (circumaural), closed-back headband headphones
- Color
- Black
- Use
- Calls and music
- Earpiece type
- Monaural
- Connectivity
- Wireless and wired
- Bluetooth
- Version 5.2, 2.4 GHz band, 10 m range
- Bluetooth profiles
- A2DP, AAC, AVRCP, HFP, HSP, LDAC, SBC
- Wired connection
- 3.5 mm connector with gold-plated contacts; USB connection
- Cable
- 1.2 m, detachable
- Drivers
- 4 cm dynamic, neodymium magnet
- Frequency response
- 5 - 20,000 Hz
- Impedance
- 314 Ω
- Sensitivity
- 110 dB
- Microphone