The OnePlus Bullets Wireless Z3 adopt a neckband design with an in-ear fit, keeping the earbuds connected via a cable that rests around the neck rather than operating as true wireless units. Wingtips are not included, and there is no RGB lighting or display on the device. Stereo speakers are present, delivering audio to both ears. The earbuds carry an IP55 rating, meaning they are protected against dust ingress and water splashing from any direction, making them water resistant for everyday use in varied conditions. UV light is not a feature of this model.
The OnePlus Bullets Wireless Z3 use a 12.4 mm driver unit and cover a frequency range of 20 Hz to 20,000 Hz, with an impedance of 32 Ohms and a sound pressure level of 98 dB/mW. Passive noise reduction is supported, helping to block out ambient sound through physical isolation, though active noise cancellation is not available. Spatial audio is supported, while Dolby Atmos and Dirac Virtuo are not featured on this model. The drivers do not use a neodymium magnet.
The OnePlus Bullets Wireless Z3 are equipped with a rechargeable 220 mAh battery that delivers up to 36 hours of battery life. A battery level indicator is included, allowing users to monitor remaining charge at a glance. Wireless charging and solar charging are not supported, so the earbuds are powered through a wired connection only.
The OnePlus Bullets Wireless Z3 connect wirelessly via Bluetooth 5.4, with a maximum range of 10 meters. USB Type-C is used for wired charging, though the earbuds themselves operate wirelessly for audio playback. Fast pairing and NFC pairing are not supported, and the device does not include advanced audio codecs such as LDAC, LDHC, AAC, or any variant of aptX including aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, or aptX Voice. Bluetooth LE Audio and Auracast are also absent from this model.
The OnePlus Bullets Wireless Z3 support fast charging and can be used as a headset for calls, with a mute function available for quick microphone silencing. Playback and call controls are accessible through an in-line control panel, and a control panel is also placed on the device itself. Voice prompts are included to provide audio feedback during use. In/on-ear detection, ambient sound mode, and notification reading are not featured, nor is a built-in translator, body temperature sensor, or camera remote shutter function. A travel bag is not included in the package.
The OnePlus Bullets Wireless Z3 feature a single noise-canceling microphone, designed to reduce background noise during calls and voice interactions.