Portable Hi-Fi Stereo Bluetooth Speaker Compact Size & Strong Sound Let your delight for music flow with Hi-Fi Stereo Bluetooth Speakers. Compatible for most smartphones, tablets and MP3 players, prepare to be impressed by the powerful sound coming out of this compact device. Perfect for use outdoors, in the office, or at home, the speakers also come with a built-in microphone for video chatting with friends. Bluetooth V3.0 Volume, previous, next buttons Micro USB charging port 32 feet range (10 meters) Standby time: Up to 2 months Works with most Bluetooth compatible devices including Smart phones, Tablets & MP3 playersNew Bluetooth v3.0 Technology allows you to Connect wirelessly up to 32 feet away. (10 meters) Seamlessly stream and share music, movies, games, phone and conference calls anywhere. Built-in Li-Ion Rechargeable Battery for up to 10 hours of playtime. Built-in microphone for hands-free speaker phone calling 3.5mm Audio Line In – Don’t have Bluetooth? The AS620 allows you to connect the speaker directly to a standard headphone jack. With aux cable (Included) Premium Sound with Bass Enhance Technology. powerful Speaker delivers crisp clean sound with deep bass Micro USB charging port, With battery Standby time: Up to 2 months