【Touch button with RGB function】 Three speakers: 80W soaring volume, 2.1 surround sound, combination of a single 50W tweeter and two 15W tweeters, natural mid-range and full bass. 【DSP Bass Enhancement and Dual Oscillators】The DSP bass enhancement chip is equipped with dual dynamic bass oscillators, providing richer and fuller bass sound. 【 8000mAh Large Capacity Battery 】 The medium-sized speaker can play continuously for 18 hours, and the USB port supports power pack function. 【 TWS Interconnection 】 360 ° panoramic sound effect, can form a huge 160W sound field through T16, TWS supports BT wireless and AUX plugin playback. 【 Free selection of four playback modes 】 Support four playback modes: Bluetooth, TF card, USB flash drive, and AUX plug cable 【IPX5 Water Resistance】Enjoy worry-free use in various environments with IPX5 water resistance, protecting against splashes and light rain. Specifications: Material: Fabric + ABS Power: 2 * Bass Diaphragm Bluetooth Version: Mountview V5.3 Speaker Configuration: 1 x 50W (66mm) + 2 x 15W (40mm) Channel: 2.1 Box Structure: Bass reflex Frequency Response: 20Hz - 18KHz Sensitivity: ≥90dB Distortion: ≤1% Impedance: 4Ω ±15% Water Resistance: IPX5 Power Input: Type-C 5V/2A Battery Capacity: 7.4V 4000mAh x 2 Connectivity: Bluetooth, USB, TF card, TWS, AUX