Product details:

Enjoy big sound with the super-compact SRS-XB13 wireless speaker, featuring EXTRA BASS, an updated IP67 waterproof and dustproof design and up to 16 hours of battery life. Small enough to fit in a bag or cupholder, the XB13 also features a multiway strap to take it with you everywhere you go.
Features:Carrying Strap
Brand:Sony
Model:SRSXB13/BMC4
Color:Black
Manufacturer Part Number:SRSXB13/BMC4
Assembled Product Weight:0.75 lb
Manufacturer:Sony Corporation
Battery Life:16 h
Power Type:Battery
Wireless Technology:Bluetooth
Is Smart:Y
Electronics Feature:Built-in Microphone
Assembled Product Dimensions (L x W x H):3.34 x 3.34 x 5.44 Inches