• Bluetooth-compatible connection, automatic shutdown without a connection 
• Hands-free one key to answer incoming calls
• Support FM radio/TF card and U disk/audio car
• Support TWS pairing

Specifications:

• Bluetooth-compatible version: 5.3
• Wireless transmission range: 10m
• Audio noise ratio: 90db
• Battery: 500mAh/3.7V
• Charging voltage: DC 5V
• Normal volume playback time: about 3 hours
• Speaker specification: OD 45mm x 1
• Speaker power: 4 Ohm / 5W x 1
• Frequency response: 150hz-20khz
• Size: 50x100 x72mm
• Weight: 214g