Sport Wireless Bluetooth Earphone Stereo Headset RB-S9

• Brand: Remax
• Model: RB-S9
• Bluetooth version: 4.1
• Sensitivity:92dB
• Frequency: 2.40GHz-2.48GHz
• Charging port: Micro USB
• Battery capacity: 130 mAh
• Standby time: 180 hours
• Talk time: 10 hours
• Playing time: 9 hours
• Charging time: 1.5h
• Frequency Response Range:20-20000Hz
• Length: 60cm
• Net weight: 15.1g
• Transmission radius: 10m