[Bone Conduction] Mini Bluetooth speaker can turn anything into a speaker. Provides you with a DIY sound experience by simply placing it on surfaces such as luggage, guitars, wooden tables, pillows, cardboard boxes, etc. [Work Principle] Bone conduction technology converts sound waves into vibrations and eliminates large diaphragms, creating its own unique sound on the of each item. [Support Dual Speaker Pairing] Connect via Bluetooth. Two bone conduction speakers Bluetooth can be paired automatically, which will provide a truly stereo experience. [Mini And Portable] This speaker has a diameter of about 4cm, so you can put it in your pocket or bag and take it with you anywhere, anytime. Can be used as Christmas, Halloween, Thanksgiving, New Year gift. [Multi Function] Bluetooth bone conduction speaker can play music, podcasts, support separate phone conversations or meetings, play games or movies, and also serve as FM radios. Specification:
Item Type: BT Bone Conduction Speaker
Material: Metal, ABS
Diameter: Approx. 4cm / 1.6in
BT Version: V5.0, A2DP ,
Frequency Response Range: 120Hz-16KHz
Charging Interface: Type C
Output Power: 3W
Sound Channel: Dual Channel (2 Independent Bone Conduction Transducers)
Bone Conduction Transducer: Built in Enhanced Magnetic Core and High Performance Coil
Battery Type: 400mAh Lithium Ion Battery (Built in)

How to Use:
Connect and use

packing list:
1 xBT Bone Conduction Speaker
1 x Type C Charging Cable
1 x Lanyard
2 x Foot Pad
2 x Instruction Manual

Note:
Manual measurement, please allow some errors.