Name : BT01-101/BT01-102 Bluetooth Speaker Model : BT01-101/BT01-102 Color: Red/Black Bluetooth Version : V5.0 up to 10m range Capacity of integrated battery : 1200mAh Loudspeaker System : Stereo, 20. inch with Bass Boost Maximum palytime: 4-6 hours Frequency response : 83db. +- 2 db. Supported Audio Formats : Mp3, WMA Files Power Supply: USB 5V/1A  Product Size 87.8*87.8*110mm Product Weigth: 296g Quick to use On/off with Bluetooth mode 1. Long press the power button 3s to operate on or off, and there will be a sound reminder: After power on , the blue indicator light will light up. Without the audio connection of AUX, the speaker will automatically enter Bluetooth mode and enter the state of waiting for pairing. (if there is a matched device, the speaker will be automatically connected to it.) 2. Open the bluetooth function of mobile phone, tablet and other computer devices, and click search. When the pairing name "Mitsushi-BT01" appears in the list, selet this pairing name and connect. 3. Once connected, you can play music on Bluetooth devices such as mobile phones and tablets. 4. TWS interconnection function +button: double-click any TWS interconnection. 5 . (for Black with RGB light) This speaker has RGB function power button: Short Press four kinds of RGB Mode Switching AUX audio input