1. Plastic Iron Net
2. Neck-winding design
3. Built-in microphone with hands-free (telephone) function

Power supply: rechargeable lithium battery (350 mA hours)

Output power: 2.5W * 2, Stereo
Bluetooth solution: JL Bluetooth 5.0
Audio input: Wireless
Working distance: up to 20 meters
Working hours: up to 5.5 hours
Speaker Unit: 27mm
Product Size: 45*73 * 28mm (each side)
Product Weight: 86g