Seeway Soldier HIFI 16W Bluetooth 4.0 Speaker with DSP bass sound technology / 5000mAh power bank/microphone/line inTF card/10hours playtime, sound for Outdoor/Indoor Entertainment DSP HIFI sound technology-bring great powerful sound than normal bluetooth speaker. 12W RMS powerful sound and dual strong bass radiators,which can compete with JBL charge 2 directly. 5000mAh battery capacity power bank,you can charge your mobiles conveniently.and it has more than 10hours playing time High Bluetooth version: 4.0 +EDR Support Line in +TF card +microphone+hook,easily for outdoor and home use.