NEW MONSTER® Bluetooth Speaker M99

Can be used with bicycle stand
Stable connection
IPX 5 water resistant
AUX IN
Support TF card input
Support clear talk

Specification : 
BT 5.0
Battery: 3.7V / 2500 mAh
Speaker output: 16W
Speaker size: 2"¡Á2
Sensitivity: 75¡À3dB
Play time: 11.5 hours / 50% volume
Charging time: 5V/1A / 4hourss