NBY-18 Mini Bluetooth Speaker Portable Wireless Speaker Sound System 3D Stereo Music Surround Support Bluetooth,TF AUX USB Color:BLACK The APP connection product distinguishes

The APP connection product distinguishes the exercise warm-up

Department Name:Adult

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Material: Cotton Blend

NBY-18 Mini Bluetooth Speaker Portable Wireless Speaker Sound System 3D Stereo Music Surround Support Bluetooth,TF AUX USB Color:BLACK The APP connection product distinguishesProduct Description 1. Battery capacity: Rechargeable lithium battery, the battery capacity of 1200mAh, can continue to play 3. 5 hours 2. Can support 4 kinds of mode to playing music, bluetooth, TF, U disk mode, 3. 5 mm audio line mode 3. bluetooth version: V3. 0+EDR 4. bluetooth transmissio distance: 10 meters 5. frequency response range : 85hz~20KHz 6. sigani to noise ratio: 84db or higher 7. sensitivity: 80db+2db 8. size: 190mm*60mm*56m Package