XOSSV2 Arena Speed and Cadence Sensor

Product Introduction
Thank you for choosing XOSS ARENA
XOSS ARENA is designed specifically for cycling enthusiasts and professional athletes who pursue accurate sports data monitoring. By installing it correctly on the left crankarm or front hub position of the bicycle, it can accurately measure the cadence or speed data, and supports standard ANT+ and Bluetooth protocols. When connected to XOSS APP, cycling computers or other devices that support Bluetooth and ANT+ protocols, it can operate stably and accurately, serving as a reliable assistant for your scientific cycling training.
Product Accessories
- XOSS ARENA. .X1
- Silicone Pad .X1
- Rubber Bands(Long/Short) .X2
- CR2032 Battery (installed) .X1
- User Manual. …X1

Quick Setup
Note: Remove the insulator before useAs shown below, follow steps 2 to open the battery compartment.
As shown below, remove the insulator and replace the battery (pay attention to the positive and negative terminals).
XOSS ARENA uses a CR2032 battery. if you need to replace the battery, please refer to the above steps.
Note: The red LED lights when the battery level is 10% or lower, and the green LED lights when the battery level is above 10%.
XOSS APP Support
XOSS ARENA has two modes: speed and cadence. You can switch modes by XOSS APР. Scan the QR code on the right to download the XOSS APP.
SPEED/CADENCE MODE SWITCH
- Open the XOSS APP.
- Tap on Devices > Sensor, and search for the device to connect.
- Switch modes and check the battery level after connecting to the XOSS APР.
After the product successfully switches the mode, it will flash the LED to indicate the working mode.
Installation
Note: The rubber bands and silicone pad can be selected according to the actual situation.
SPEED MODE
Attach the silicone pad onto the back of the sensor, then strap the sensor with the long rubber band onto the front wheel axle.
CADENCE MODE
Attach the silicone pad onto the back of thesensor, then strap the sensor with the short rubber band onto the left pedal crankarm.
Note: It is necessary to confirm whether the gap between the crank and the frame meets the installation requirements before installation.
Product Specification
- Model: ARENA
- Battery: CR2032
- Sensor size: 40 x 34 x 7.5 mm
- Sensor weight: 8.5 g
- Battery life: 300h in speed mode, 280h in cadence mode
- Waterproof grade: IPX7
- Working temperature: -20°C~50°C Wireless: ANT+, Bluetooth
WARRANTY
Thank you for purchasing our product. It has a one-year free warranty from the date of purchase. contact your original dealer for warranty service. The following conditions are not covered by the warranty:
- The normal aging loss of the battery.
- Damage and loss of products due to improper installation.
- Damage caused by abnormal use, such as high temperature, water damage etc.
- Damage caused by dismantling by yourself or by unauthorized maintenance personnel.
Shanghai Dabuziduo Information and Technology Co., Ltd. Room 818, 386 Guo’an Road, Yangpu District, Shanghai, China. Any questions or more information, please contact us via support@xoss.co. Visit our website for more products at xoss.co
FCC Statement
FCC Warning
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- This device must accept any interference received, including interference that may cause undesired operation.
NOTE 1: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
The device has been evaluated to meet the general RF exposure requirements. The device can be used in portable exposure conditions without restriction.
FAQ
- Q: Can I make modifications to the device?
- A: No, any changes or modifications not approved may void your authority to operate the equipment.
- Q: Is there a restriction on where I can use the device?
- A: The device can be used in portable exposure conditions without any restrictions.
Documents / Resources
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XOSS XOSSV2 Arena Speed and Cadence Sensor [pdf] User Manual XOSSV2, XOSSV2 Arena Speed and Cadence Sensor, Arena Speed and Cadence Sensor, Speed and Cadence Sensor, Cadence Sensor, Sensor |

