The high-quality Bluetooth speaker in its class, which includes all these functions: 1. Powerful Bluetooth speaker, 2. DSP for stronger sound, 3. TWS connectivity (2 speakers for even more power) 4. 6,600 mAh battery for long playing time, 5. AUX and TF card so you can play directly without pairing. Waterproof for splashes and water jets from any direction. 7. Voice assistant, one-click connection. Exceptional HiFi sound quality: the portable bluetooth speaker has shocking, rich bass, tri-bass effect: extra bass, 3D deep bass, vocals for an incomparable listening experience. 360 ° all-round sound effect. Equipped with 25 W x 2 high quality speakers. If that’s not enough, you can link two speakers together to deliver room-filling stereo sound to deliver 3D stereo surround sound. Voice assistant: Briefly press the microphone button to activate the voice assistant of your Bluetooth device and speak through the loudspeaker. Bluetooth 5.0 connection, listening to music, making calls, answering calls, etc. when there is an incoming call while playing music. Built-in high definition call microphone that allows you to answer calls hands-free without delay. Excellent battery – 6600 mAh outdoor speakers Smart speaker with 6600 mAh rechargeable battery, a full charge allows you to play music for up to 15 hours at 50% volume (playing time varies depending on volume and audio content). Universal connectivity through Bluetooth, TF card and 3.5mm AUX: Bluetooth 5.0 technology, stronger anti-interference ability and more stable signal without delay. Comes with Type-C USB port. The TF card slot allows you to connect your micro SD card directly to the speaker and play audio. Compatible with tablets, laptops, desktop computers, televisions, and cell phones.