1200mAh battery, long standby, OEM custom, multi-color optional

Product features: Bluetooth play-music, hands-free calling, TF card
Material: ABS
Power supply mode: Built-in lithium battery / USB-5V
Regular color: black, green, red, blue, gray
Product size: 82*58*58MM
Product net weight: 190g
Bluetooth version: 5.0
Channel mode: mono
Amplifier specifications: 3W*1
Speaker specifications: 4Ω3W*1
Bluetooth distance: <10 meters
Frequency response: 20Hz-20KHz
Signal to noise ratio: R90dB
Charging parameters: 5V/0.5A
Battery capacity: 1200mah