S31 BETTER SOUND BETTER QUALITY MULTI - FUNCTION Waterproof wireless speaker

It has two 8-watt speakers. The sound is louder and the bass is strong and full. It supports stereo sound (TWS) technology, and you can use 2 speakers together to create a surround sound system., It has a built-in microphone and supports HD voice calls. When using Bluetooth to play music on your phone, you can answer the call by pressing any button, and music playback will automatically resume after the call ends., It has excellent Bluetooth 5.3 technology, connecting devices will be faster and more stable, and it is compatible with all Bluetooth devices., It has a built-in 1200mAh battery and a Type-c charging port. It can play for 10 hours at 60% volume and 3 hours at maximum volume., It supports using TF card (micro SD card) to play music. Compatible with most music file formats.