Brend new Wireless Bluetooth Neckband

Transmission Range: 10m

Frequency: 2.4Hz-2.48KHz

Impedance: 16

Speaker: 10MM

Charging Voltage: DC5V

Charging Time: 1.5 to 2 hours

Standby Time: 360 hours

Music Playing: Upto 70 hours

Calling: Upto 70 hours