Sports Bluetooth Earphone includes the following features :

• Earbuds - high quality
• Fit for MP3 player, smartphone (e.g. iPhone 5 / 5s / 5c, galaxy note, galaxy s3 / s4 / s5, etc.)
• Driving: Φ10mm
• Impedance: 16Ω±15%
• Sensitivity: 42db
• Distortion: < 0.3%
• Frequency: 20-20kHz
• Battery capacity: 75 mAh
• Talking time: 5-7 hours
• Playing time: 3.5 hours
• Standby time: > 48 hours
• Available in different colors

Material :

• Plastic housing