Sourcingbay SCB06 Bluetooth 3.0 Stereo Speaker with Radio Function and TF Card Slot - Built-in 4000mAh Power Bank 6w(black) Portable Bluetooth Speaker 3.0: Stylish, wireless, portable, small and light weight design;(Only 6.5x2.4x1.4 inch, 260g) take great music anywhere - perfect for outdoor/indoor parties. Poweful Stereo Speakers: Two ultra-small yet highly powerful (6W total) acoustic drivers, capable of producing a wide frequency band, high definition audio spectrum. Handsfree Portable Speakerphone: Built-in Li-Ion Rechargeable Battery for up to 10 hours of playtime. Built-in microphone for hands-free speaker-phone calling. Easy to pair - no code/pin needed. Bluetooth 3.0 Speaker: Compatible with every device that supports bluetooth technology, downward compatible with older Bluetooth versions. ALL IN ONE: Bluetooth speaker, Power Bank Charger (4000mah!), FM radio, Micro SD (TF) card MP3 Player, and AUX "Line-In" for use with older non-Bluetooth audio sources.