SoundLion
Mind-blowing FOUR Drivers, one of the loudest Bluetooth speakers, Bi-amp, passive radiators, heart-pounding deep bass, built-in 10000 mAh battery.
Integrating all these killer features - this is Zealot S7 wireless speaker.

10000 mAh battery – highest capacity ever.
Enjoy up to 8 hours of non-stop music. With its high-capacity built-in 10000mAh battery, S7 also acts as a charger for your devices, whenever you need backup power, the speaker provides a faster charging.

Compact Wireless Speaker
All audiophile speakers are big? NOT TRUE! What truly amazing is that incredible sound is from such a portable box. S7 is fits into your backpack, you can take this easy carry Bluetooth speaker to anywhere.
With Hi-fi and clear sound, S7 Bluetooth speaker is perfect for home and outdoor.

Hands free Calling
Answer a call right from the speaker: Voice Enabled Speakerphone + Separate one-key call button.

Specifications: 
Weight：2.4 lb
Dimensions: 10*2.8*3.3 in
4x drivers: 8W(45mm)*2, 5W(40mm)*2
Bluetooth CSR 4.0 technology
Built-in 10000mAh li-ion battery
Music time: 8 hours
Charging time: 2-4 hours
Bluetooth operational range: about 10M (33ft)

TIPS: If wrongly used, the speaker may freeze up or fails to operate normally, try to troubleshoot as follows: Insert a toothpick (or similar tool) into the AUX port for nearly one inch. After contacting the reset button, you will feel a slight additional movement as you push firmly and the button is pushed in and then you can restart S7 wireless speaker.