S1 HIFI Stereo Sound Portable Bluetooth Speaker

Overviews: 50mm HIFI full-frequency loudspeaker Using a metal double diaphragm, the sound is loud and three-dimensional, and the sound effect is good A variety of playback modes, you can choose at will Support TWS series connection, two speakers from a stereo surround system to achieve two-channel Product information: Product Model: S1 Effective distance: 10 meters Frequency response: 90HZ-20khz Charging voltage: DC5V Running time: 6-12h Battery capacity:1200 mah Signal to noise ratio: 90 db Horn parameters: full frequency + double diaphragm Product weight: 500g Bluetooth version: 5.0EDR Packing list: Plastic speakers*1