T-5 smart control button is used in cars, motorcycles, bicycles, etc.Product functions: Bluetooth photographyMusic switchingVolume adjustmentCan call up the phone's built-in voice interaction system, similar to Siri. Answer and hang up callsType: Car Motorcycle Bike Handlebar Media Controller Wireless Bluetooth Remote ButtonCondition: 100% NewFitment:Direct Replacementuitable for cycling, Mainly suitable for cycling enthusiastsBluetooth Handsfree, One key to answer , ride more safelyVoice Assistant, Double click "-"to wake upthe Siri, Android assistantBluetooth 5.3 Chip: Built-in Bluetooth 5.3 chip , built-irperformance decoding chip , ultra-longstandby , ultra-low power consumptionMaterial: Plasticcolour: BlackPackage Contents:1 x Remote ControlerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.