D-Base BY Speaker Blue
FEATURES: Two aluminium passive radiators (top and bottom). TWS to pair with two units for stereo output hands-free function. IPX7 waterproof. Built in TF slot to play music. SPECIFICATION: Battery: 3.7V/2000mAH battery. Bluetooth: V5.0. Play me: 20 hours 50% volume. Output RMS: 10W(5*2) RMS 10%. Drive size: 2*1.75″ + 2 Passive radiator. TF Card: up to 320GB (MP3 & WAV format).