Features and specifications: Key features:
• High-capacity battery
• Low-noise silicone
• Smart compatible
• Wire microphone
• Perfect sound quality Specifications:
• Bluetooth 4.1 + EDR • Stand-by time: 100 hours (approx.)
• Calculatedconversation time: 3 hours (approx.)
• Charging time: 1.5 – 2 hours (approx.)
• Color: Blue, yellow, black, red

nice product.