The speakers with TWS function are: POWER, PRO, TREK, Macchiato, MOCHA2 ways to connect to the box: 1.2 speakers are all in the pairing state (Bluetooth, etc. flashing), short press the box button of one of the speakers to enter the box mode, and one of the Bluetooth lights on the pairing will be on2. Use the mobile phone to connect one of the machines to Bluetooth (Bluetooth, etc., long on), and the other machine is in the pairing state (Bluetooth, etc. flashing), short press the TWS button of the connected Bluetooth machine to enter the pairing state, and know the other one The bluetooth light of the machine is always on to connect to the box.Please refer to the instruction manual for the box button of each speaker