Wyewave Neck-Mount Wireless Sport Earphone Black

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: Black