Dura MOBI 2 Packs Wirelessly BT Speaker Bone Conduction Speakers Mini Portable Loud Stereo Sound Built-in Mic Sound Box Silver

Mini and compact size, convenient to carry and perfect decoration.. Built-in 400mAh lithium battery, up to 6 hours playing time after 1 hour fully charged. high-grade sound effect, up to 115db powerfulsound , full bass and loud treble. Features advanced BT 5.0 chip supporting BT connection and-enabled. Bone conduction speaker, a DIY sound experience, place it on different surfaces such as plastics storage box, glass, wooden desk can provide you various sound effects