bluetooth earphone neckband earphone rechargeable lithium battery 3.7V 200mah YXL501240

model number:YXL501240 voltage:3.7V capacity:200mah certificate:BIS,UN38.3,MSDS accept the OEM ODM order application:heating gloves,bluetooth earphone, sound box,speakers,smart watch,smart wrist

Characteristics

Description

model number:YXL501240

voltage:3.7V

capacity:200mah

certificate:BIS,UN38.3,MSDS

accept the OEM ODM order

application:heating gloves,bluetooth earphone, sound box,speakers,smart watch,smart wrist