EchoBone Wireless Bluetooth Speaker

Product information:
Product Size: Height 26mm, Diameter 40mm, Weight 35g 
Main control chip: Bluetooth 5.0 supports TWS Real Stereo Sound and FM Radio 
Efficacy chip: 20Hz ~ 20KZ full range output
Channel: Dual Channel, 2 independent bone conduction transducer
Output power: 3W audio output
Audio decoding: Supports MP3, AC3, AAC, WAV, etc. 
Bone conduction transducer: Built-in enhanced magnetic core and high-performance coil [product with tape electricity]]
Microphone: omnidirectional microphone, can talk
FM radio: Built-in FM enhanced IC, regular indoor radio to more than 10
Charging Interface: TYPE C interface, 5V0.4A charging current
Built-in battery: lithium polymer, Capacity: 3.7-4.2V bonding wire at 400 mA hours
Standby time: not less than 240 hours

Packing list:
Bluetooth Speaker *1
Product Image: