Product information:

Function: plug-in card, subwoofer stereo
Color Classification: Technology Black, Haoyue White, Sapphire Blue, China Red
Version: A/upgrade version, B/standard version, C/basic version
Rated power: 5W
Package type: official standard
Power supply: built-in lithium battery
Connection method: 3.5MM audio jack Bluetooth connection
Applicable people: general
Size: 78x78x35mm
Speaker material: neodymium magnet

Packing list:
Bluetooth speaker*1