Awei G10BL Stereo Bluetooth Wireless Sports Neckband Earphones. 

The AWEI G10 BL Bluetooth Earphone NeckBand. AWEI G10 BL Neckband Sports Bluetooth Earphone Wireless Type Bluetooth Style Neckband Active Noise-Cancellation Yes Connectors USB Line Length. Built-in magnets let you attach the two headphones together when not using, and wear them like a necklace around your neck, which a convenient. 

Product Features:

• Neck-Mounted design
• Bluetooth version: 5.3
• Waterproof rate: IPX4
• cellphone display the battery
• Standby time: 200H
• Magnetic design, automatic adsorption

Specification：

• Model:G10BL/G20BL
• Bluetooth Version: V5.3 Jeli 7003
• Frequency Range: 2.402G-2.480G
• Ambient Temperature: -20/+60℃
• Transmission Distance: 10m
• Frequency Response：2.402G-2.480G
• Stand-by Time: 200 h
• Talk Time: 11h
• Music Play Time: 10 h
• Charging Time: 1.5 h
• Charging Voltage: DC 5V
• Battery Capacity：110mAh/3.7V\