REMAX RB-S1 Wireless Bluetooth-compatible 5.1 Earbuds Neckband Earphones Sports Headphones - Black

• Up to 20 hours of playback and could stand by for more than 180 days when fully charged
• The Bluetooth-compatible 5.1 chip performs faster transmission speeds and more stable connections
• 10mm driver unit provides well-balanced audio with rich bass and enhanced clarity
• The ultra-light and soft neckband gives you virtually no feeling when wearing and listening to low-latency audio
• The neckband headset can not only connect to the mobile phone wirelessly but also supports the insertion of a TF card

Specifications:

• Material: ABS+PC
• Bluetooth-compatible version: 5.1
• Transmission distance: 10 meters
• Driver unit: 10mm moving coil
• Frequency response: 20Hz-20KHz
• Impedance: 32Ω
• Battery capacity: 280mAh lithium battery
• Charging time: about 2.5 hours
• Playback time: about 20 hours
• Standby time: about 180 days
• Net weight: 45g