Bluetooth Version : V5.0

Distance : within 32ft.

SNR : 85dB

Battery : 1200mAh built-in lithium

Built-In Voltage : 3.7V

Charging Time : approx. 3hrs.

Driver : 2 x 50mm

Power : 4Ω / 2 x 3W

Freg. Response : 120Hz - 18kHz

Charging : 5V/ 500mA - 2A