Caston ST-C100 Wireless Bluetooth Stereo Speaker.

Room-filling stereo and enhanced bass through dual high-performance drivers and a unique spiral bass port loud enough to hear from anywhere in the room - Suitable for a more enjoyable background music in a room and outdoors setting - Built-in high-sensitivity microphone perfect for conference calls, working, teaching, learning, cleaning, etc - Portable and compact size that you can move it around with you using the onboard stylish strap - Easy control with volume, play/pause, answer buttons all on the top of the speaker - Long playtime with the built-in 1200mah high performance li-ion battery - 6-15 hours of music at 2/3 volume, this means you can enjoy morning music for a week for one full charge if let it work 2- 3 hours every day - True wireless stereo, immerse high-fidelity sound - Output power: 5W - Speaker: 66mm, 1, 5W - Working voltage: DC5V - Lithium ion battery: 1200mAh - Dimensions: 157 x 157 x 114mm - Package contains: C15 speaker, USB charging cable, 3.5mm-to-3.5mm stereo cablecable