Rock Bluetooth Speaker Portable Audio Player Sound Box Bluetooth V4.0 Hands Free Calling

Features
Expandable Bass Resonator The expandable bass resonator is made of soft silicone material, easy to stretch or shrink, which makes it convenient to carry.
Suction Cup Design The suction cup design on the bottom of the Bluetooth speaker enables it to be attached on the smooth surfaces.
Combination Subwoofer Any hollow objects can be your subwoofer. Place the speaker on the subwoofer, such as a wooden box, carton box, suitcase and so on, and you can enjoy the deep bass.
Hand Free Calling Not only being able to play wireless music, the Bluetooth speaker can also act as hands-free speakerphone.
IPX4 Level Splash Proof With an IPX4 splash-proof rating, it perfectly pair with any on-the-go lifestyle.
Specification
Product Pocket Party Bluetooth Speaker
Model RAU0520
Minimal Dimension 92 x 35mm
Maximum Dimension 92 x 87mm
Battery 3.7V, 600mAh
Use Time 5 hours at 50% volume
Charging Time Approx 2 hours
Output Power 4.5W
Frequency Range 50Hz-20KHz
Weight 170g
Color Green, Grey