KONCERT Kapsule ALL In One Portable NFC Bluetooth Wireless Speaker BLACK with 4000mah Li-ion USB Charging Support, Hand Free Speakerphone System, Drop Proof, Water Resistant and LED Lighting Designed All in one device, connect two phones at the same time Shake to change music, intelligent cloud concept Rapid NFC pairing. Build-in hand free calling. Outdoor Portable design, water resistant Drop-proof, solid and durable. Build-in super high capacity Li-polymer battery. Can be used as a charging station while playing music. LED outdoor lighting. Intelligent voice prompt and can convert muilt-lingual. Voice prompts.