Usage: 1. Hold down the power button on the speaker for about 6 seconds until the red and blue LEDs flash alternately. Now the speaker is ready for pairing. 2. Turn on your mobile phone and activate the Bluetooth function. 3. Search for Bluetooth devices, \"BTS-06\" will appear. 4. Pair your device with \"BTS-06\". If a password is required, type \"0000\", and you can enjoy the fun this unique mini speaker gives you. Note: 1. Do not drop the speaker in the water. You can press the phone call button twice quickly to redial the last phone call. 2. Please specify the color you want, otherwise we will deliver randomly. Specifications: Color: Green, Blue, Red, Yellow. Power supply: Wall charger. Charging voltage: DC 5V. Input: DC 5V / 100-120mA. Charging time: 3 hours. Operating time: 4 hours. Battery capacity: 400 mAh. Package contents: 1 x Speaker, 1 x USB charging cable, 1 x User manual. Features: Hands-free calling, Bluetooth, Waterproof, Shower speaker, with suction cup. Support: Microphone, Bluetooth, Hands-free calling, Volume control. Material: Rubber, Metal. Audio source: Electronic products with USB port, Bluetooth-enabled devices. Interface: Power charging port, Micro USB.