The Subwoofer Core: Magnetic Induction Wireless Speaker

Product information:
Type: Portable speaker
Applicable people: general
Interface type: USB
Connection method: magnetic induction
Frequency response range: 40Hz-20KHz
Output power: 5W
Signal to noise ratio: ≥70db
Channel: Stereo
Power supply mode: built-in lithium battery
Operation mode: button
Extended storage: not supported
Number of speakers: 1
Battery capacity: 1300
Playing time: 8 hours
Shell material: engineering plastic
Box material: plastic
Colour: Black

Packing list:
Audio *1 Charging cable *1 Manual *1