T&G TG654 Portable 3D Stereo Subwoofer Wireless Bluetooth Speaker Features: 1. Use advanced Bluetooth audio decoding chip to support the connection of all Bluetooth devices. 2. Multi-flash mode LED light, the light can flash with the music melody, and can be switched with one click. 3. Grille to prevent water, dust and vibration from entering the speaker. 4. 8Wx2 high power, providing 360-degree stereo sound. 5. Calling function, noise-canceling microphone allows you to answer calls without touching your phone. 6. Supports FM radio and can directly search for radio listening areas. 7. Support TF card or Misro SD card, 32G max, support AUX, support USB2.0 hard disk. 8. TWS function, two speakers can be connected simultaneously through one phone. Specification: 1. Bluetooth version: 5.3 2. Wireless transmission distance: 10M 3. Battery capacity: 1500mAh 4. Charging time: 2-3 hours 5. Normal playback: about 2-3h 6. Speaker specifications: ? 52mm x 2 7. Speaker power: 4 8Wx2 8. Frequency response: 70hz-20khz 9. Signal-to-noise ratio: greater than or equal to 90dB 10. Distortion rate: less than 1% 11. Size: 90x90x213MM 12. Net weight: 604g packing list: 1. Speaker x 1 2. Charging cable x 1 3. Speaker cable x 1 4. User Manual x 1