Tribit StormBox Micro 2 BTS12

Deep Bass (built-in XBass¨) & Louder Volume
IP67 waterproof and dustproof
Tear-proof fastening strap
Up to 16 hours of playtime and USB-C charging
Party Mode
Charge Your Phone in An Emergency
Bluetooth version: V5.3
Waterproof: IP67
Driver size: ?48 mm,  Passive radiator 32mm*52mm
Output power: 10W
Frequency response: 70-20KHz
Battery: 3.6V, 4700mAh
Music play time: Up to 12 hours@50% Volum (varies by volume level and audio content)
Charging time: 2.5H hours @ 5V/2A