Awei Y990 Wireless Bluetooth Speakers[100w]

Bluetooth chip: BP1048B2 (MVSILICON) Bluetooth version: 5.0 Supported Bluetooth protocols: A2DP/AVRCP/HFP/HSP/OPP/HID/SPP/PBAP/GATT/SM Output power: 25W*4 Effective distance: 10M Frequency response range: 60Hz~20KHz Horn diameter: 44*80mm Sensitivity: -58dB SNR: ≥90dB Power supply: external adapter (input: AC100V ~ 240V, output: DC18V / 2.5A) Wired/Wireless: wired Size: 960*59*100.8mm (L*W*H) Package list: 1*Bluetooth speaker 1*user manual