TandG TG657 Portable Wireless 3D Stereo Subwoofer Bluetooth Speaker Support FM or TF Card or USB or LED Atmosphere Light - Blue Adopting advanced Bluetooth audio decoding chips,supporting the connection of all Bluetooth devices LED lights with multiple flashing modes,which can flash with the music melody and switch with one click Mesh cover to prevent water,dust,and vibration from entering the speaker 8W X 2,providing 360¡ã stereo sound Call function,noise-canceling microphone,allowing you to answer calls without touching your phone Support FM broadcasting and can directly search the listening area of the radio station Supports TF card,up to 32GB,supports AUX,and supports USB 2.0 hard drive TWS function,which can synchronously connect two speakers through one phone Specifications: Bluetooth version: V5.3 Wireless transmission distance: 10M Battery capacity: 1500mAh Charging time: 2-3 hours Normal playback: about 2-3h Horn size: 52mmx2 Horn power: 4 ¦¸ or 8Wx2 Frequency response: 70hz-20khz Signal to noise ratio: ¡Ý 90dB Distortion rate: