Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to listen to music while showering [title] Purchase waterproof bluetooth speakers. [step] You can find these at most general retailers, technology stores, and similar stores. Once you do, you can keep your phone somewhere dry in the bathroom and connect it to the speaker in the shower.

Ending1: [substeps] Whatever frequency you choose, you must have a good signal so other people are not looking at your water heater. Large water appliances, as big or small as your shower, will transmit static much faster than smaller appliances. Ending2: [substeps] When showering, you don't need to carry any batteries as you can be easily distracted by other noises in the bathroom. If you're underwater, invest in a few loud non-washable ear plugs. Ending3: Start a playlist on your phone to play music in the shower on the speaker. [substeps] In some cases, you may be able to find speakers equipped with suction cups to make the speaker more stable in the shower. Ending4: [substeps] If the bluetooth speakers contain a tuner, you'll need to listen to a song of your choice while showering or before you put out your wet clothes. Place your phone in a suction cup or jewelry box at the end of the shower, near the water source.

Answer format: ending1/ending2/ending3/ending4