Neck Mount Wireless Sports Earphones, Neckband Wireless Headphones

Model: TG-EP13-GRN
Headphone Type: Magnetic In-Ear
Chipset: JL7003         
Wireless Version: V5.2
Wireless Working Frequency: 2.402GHz-2.480GHz
Speaker Power: Rating 3-5mW
Frequency Response: 50Hz～20KHz
Speaker Unit: Speaker Φ12mm@32ohm
Built-in Battery: Lithium Battery-3.7V, 250mAh
Standby Time: About 220H
Music Time: About 30 hours (80% volume)
Talk Time: About 23 hours (80% volume)
Charging Input Standard: DC5V-500mA Micro USB
Charging Time: About 1.5 hours
Colour: Green