Promotional Retro Radio Wireless Speakers Portable FM Radio Music Player Digital Mini Radio Multifunctional FM Sound Recorder BR.HM11
Type Bluetooth Speaker Connection method Bluetooth connection Interface Type USB Battery capacity 900 Frequency response range 60Hz-15KHz Output power 5 Signal to noise ratio ≥70db Power supply mode Built-in lithium battery Channel 2 Playtime 8 hours Extended storage is not supported Bluetooth protocol 4.1 Number of speakers 4 Effective distance 15 meters Function voice prompt Mode of operation Applicable people Display Shell material metal support APP