Anncia Portable Outdoor Sport Wireless Bluetooth Speaker with Rechargeable Battery and built in Microphone for Hands-free calling Compatible with any Bluetooth media player, phone, iPod, iPad, Android Devices, and all other media APPS. Support TF card music playing (B978 Blue) Portable Bluetooth Speaker with volume control buttons stream wireless music from the latest tablets, smart phones, laptops, iPad, iPhone and other bluetooth devices Skip songs and forward/back/pause/play right from the sport speakers Bluetooth Speaker, 3.5mm AUX to connect to all smart phones manually if needed. Portable speaker good for home indoors or outdoors, camping, climbing for enjoying music. Support TF card music playing. Master volume controls by knob. Compatible with any Bluetooth media player or phone. Answer calls right on it and hold a conversation through the built in microphone