We paired the Beats Pill 2.0 with the OPPO R9s phone over Bluetooth and observed both devices to be working seamlessly up to 10 meters. After 10 meters, the connection started to show signs of audio disruption.
To set up the Beats Pill 2.0 with the OPPO R9s over Bluetooth, all you need to do is just hold the power button for a few seconds until you see the 'b' button starts to blink slowly and then select 'BeatsPill' on the phone's Bluetooth settings to start pairing.