Parameters:

• Bluetooth version: bluetooth 4.1
• Radio frequency: 2.402-2.480GHz
• Audio output: 35mW, <15mA
• Transmission range: <10 m
• Charging Power: input AC 110-240V; output DC 5V
• Charging time: 2 hours
• Talk time: 4 hours
• Music play: 3 hours
• Standby time: 120 hours
• Wearing styles: mini headphones with microphone
• Battery: 50mA rechargeable lithium battery
• Size: 30mm * 18mm * 15mm
• Weight: about 8.5g

Package:

• 1 x headphone
• 1 x manual
• 1 x charging cable