Razer RZ12-03820300-R3U1
Razer Hammerhead HyperSpeed Wireless Gaming Earbuds User Manual
Model: RZ12-03820300-R3U1
Brand: Razer
Product Overview
The Razer Hammerhead HyperSpeed are wireless gaming earbuds designed for multi-platform use, offering a seamless audio experience with low latency and untethered freedom. They feature advanced audio technologies for immersive gaming and clear communication.

Image: The Razer Hammerhead HyperSpeed earbuds, their charging case, and the included USB-C HyperSpeed wireless dongle. The earbuds are white with black tips and green Razer logos, positioned in front of the white charging case and the black and blue USB-C dongle.
Key Features
- HyperSpeed Wireless: Provides an ultra-fast 2.4GHz wireless connection via the included USB-C dongle, ensuring low-latency audio for competitive gaming across multiple platforms.
- Active Noise Cancellation (ANC) Technology: Eliminates unwanted ambient noise, providing a distraction-free audio experience for gaming, music, or movies.
- Dual Environmental Noise Cancelling (ENC) Microphones: Equipped with smart microphones that detect, identify, and reduce background noise, enhancing voice clarity during in-game communication and calls.
- Bluetooth 5.2: Offers increased bandwidth, range, and energy efficiency, allowing for longer battery life and automatic connection to the last paired device.
- Powered by Razer Chroma RGB: Features customizable lighting with 16.8 million colors and various effects, allowing users to personalize their earbuds.
- Up to 30 Hours of Battery Life: Optimized power management provides extended usage time with the included charging case.
- Multi-Platform Compatibility: Compatible with PS5, PS4, PC, Mac, smartphones, tablets, and handheld gaming devices with Bluetooth audio or USB-C/USB-A ports.
What's in the Box
Verify that all components are present in your product packaging:
- Razer Hammerhead HyperSpeed Wireless Gaming Earbuds
- Charging Case
- USB-C Wireless Dongle
- USB-A to USB-C Charging Cable
- Silicone Ear Tips (various sizes)
- User Manual and Important Product Information Guide
Setup Guide
Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case and connect the case to a power source using the provided USB-C cable. The LED indicator on the case will show charging status.
Connecting via Razer HyperSpeed Wireless (USB-C Dongle)
For low-latency gaming on PlayStation 5, PlayStation 4, PC, or Mac:
- Insert the USB-C wireless dongle into an available USB-C port on your gaming device. If your device only has USB-A ports, use a USB-C to USB-A adapter (not included).
- Ensure the earbuds are charged and placed in the charging case.
- Open the charging case. The earbuds will automatically attempt to connect to the dongle.
- Once connected, the LED indicator on the dongle will turn solid white.
- On your device, ensure the audio output is set to
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