Wireless Bluetooth Speaker, NFC Dual-loudspeaker Wireless Bluetooth Speaker with Microphone for iPhone Cell Phones & Tablet PCs Bluetooth Speaker: Wireless Bluetooth stereo speaker with double loudspeakers, Uses high quality IC and PCBA board Supports hands-free calling, Supports NFC and 3.5 mm line-in/out functions Built-in high capacity rechargeable lithium battery, Supports memory protection when powered off Galaxy S5 Bluetooth Speaker: Features volume control, play, pause and selection buttons,Allows you to enjoy your favorite music or hands-free calling anytime and anywhere Bluetooth Speaker for iPhone: Compatible with Bluetooth-enabled digital devices, Lightweight for ease of carrying