XANK M31 Wireless Bluetooth 5.0 Earphones Neckband Stereo Sports Headset ( 6 Month Warranty )

Introducing you the XANK M31 Wireless neckband that features HD stereo sound, an integrated microphone, and is designed for a secure and comfortable fit. The Built-in large-capacity battery stays for up to 6-7 hours of working time and 300 hours of standby time. It works well with Bluetooth 5.0 chips to ensure a stable and fast connection. It has a magnetic design for easy storage. The IPX5 life waterproof rate can keep the sweat far away and ergonomically designed earphone gives you long-time comfort. 

Specifications: 

• BT version: 5.0 
• Material: Metal+Silicone+TPE 
• Transmission distance: 10m (accessible) 
• Battery: 3.7V / 120mAh 
• Playtime: 6 hours 
• Call time: 6 hours 
• Standby time: about 30 hours 
• Charging time: about 1.5 hours 
• Speaker sensitivity: 98dB 
• Frequency response range: 20-20kHz