Sony Portable Wireless BLUETOOTH Speaker
SRS-XB20

Give your beats a boost with EXTRA BASS : Hit the EXTRA BASS2 button to get things going. Dual passive radiators work together with stereo full-range speakers to enhance low-end tones, giving bass a boost ? despite the compact size.
Add a splash of color - See your stylish wireless speaker stand out with a single-colored line light.
Up to 12 hours of battery life - Play music all day with up to 12 hours of battery life. The voice feedback function tells you the remaining battery level and when it's time to recharge.
Add an extra speaker for room-filling stereo sound - Simply connect two wireless speakers for wider stereo sound.
Water-resistant design - Whether you're listening to tunes indoors or outdoors, relax knowing the wireless speaker is IPX5 water resistant.
Any time, any place - The SRS-XB20 is compact and wireless so it's easy to move. With a long battery life and a water-resistant surface, you're free to pick it up and put it anywhere.
Better Bluetooth® audio - LDAC5 transmits approximately three times more data (at the maximum transfer rate: 990 kbps) than conventional Bluetooth® audio for a superior wireless listening experience.
Get things booming with Wireless Party Chain - Enjoy the same song with Wireless Party Chain. Connect up to 10 wireless speakers via Bluetooth® technology and synchronize the music and lighting so everyone's dancing to the same beat.
Small and light design - Thanks to its compact size, you can pick up the speaker, pop it in your bag, and take it anywhere you want. 
Multi-device connection - Connect up to three devices and play your favorite tunes in turn. 
One-touch listening with NFC - Simply touch your NFC-enabled smartphone to the speaker and get the beats going.
Easy control with Sony | Music Center - Manage your music quickly and easily from your smartphone with Sony | Music Center. Simply install the app and take control of music, lights, and more.

Specifications
Sound
SPEAKER TYPE
full range
SPEAKER SIZE - Satellite Speaker: 1.65"
SOUND MODES - Clear Audio+, DSEE
Size & Weight
DIMENSIONS (W X H X D) - Approx. 7.80" x 2.68" x 2.72"
WEIGHT - Approx. 1.30 lb
Wireless Connections
NFC - yes
HANDS-FREE FUNCTION - yes
Bluetooth
COMMUNICATION SYSTEM - Bluetooth® Specification version 4.2
MAX. COMMUNICATION RANGE - 32.81 ft
COMPATIBLE PROFILES - A2DP / AVRCP / HSP / HFP
SUPPORTED CODECS - SBC / AAC / LDAC
FREQUENCY TRANSMISSION RANGE - 20 Hz?20,000 Hz (44.1 kHz sampling)
Interface
INPUT AND OUTPUT TERMINALS - micro USB, Stereo Mini Jack (IN)
Bluetooth® Spec
FREQUENCY RANGE - 2.4 GHz band
General Features
BATTERY LIFE - Approx. 12H
INTERNAL RECHARGEABLE BATTERY - Internal rechargeable battery
WATER PROTECTION - Yes (IPX5)
Color Options - Red/Blue/White/Black
What's In The Box - USB Cable