Sigma R1 Blue Comfortex HRM BLUETOOTH SMART Ready Transmitter
Black Dispatched within 2-5 days ID: 88548-303395
£51.69 Add to basket

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What are the delivery costs?

We offer Free UK Delivery on all orders.

Including: Channel Islands, Isle of Man, Isle of Wight, Northern Ireland, Scottish Highlands and Scottish Islands.

Standard delivery is normally 2 - 5 working days.

International delivery costs and delivery times vary for different countries. Please see here for more information.

Christmas delivery

For guaranteed Christmas delivery please order bikes before 11am, Tuesday 20th December and all other items before 11am, Wednesday 21st December. Guaranteed Christmas delivery applies to all items with the icon, please choose your option/size to see if the specific item you are after qualifies for Christmas delivery.

Bluetooth® SMART Transmitter for SPORT APPs (Transmitter Only)

The new R1 BLUE transmitter from SIGMA SPORT transmits the heart rate via energy-saving Bluetooth® SMART technology. This enables the R1 BLUE to communicate with multiple smartphones, computers and sports devices. All sport apps that support Bluetooth® SMART READY technology and use heart rate data can display the R1 BLUE’s values.


Our R1 Heart Rate Sensor is for an effective heart rate monitoring. Thanks to Bluetooth technology it is compatible with the following iOS and Android devices.

iOS devices:
iPhone (4s and above), iPod touch (5th gen. and above), iPad (3rd gen. and above), iPad Mini, iPod Nano (7th gen. and above)

Android devices: 
All devices with Bluetooth® SMART READY technology AND Android OS from version 4.3 As at: May 2014