High-End Design.

Speaker Diameter: 40 mm

Bluetooth V 5.0 Technology.

Frequency Range: 20Hz-20000Hz

Wireless Support Protocol: A2DP AVRCP V1.5 / HFP V1.6 / HSP V1.2

Sensitivity: 110 dB +/- 5 dB

Transmission Distance: Up to 10 meters.

Controls: Power On/Off/Answer Calls, Volume Up/Previous, Play & Pause, Volume Up/Next.

Operating LED and Charging Indicator.

Hands-Free System with Built-in Microphone.

Microphone Impedance: -42 +/- 3 dB

Can be connected to a smartphone or tablet via Bluetooth technology or with a detachable 3.5mm stereo miniplug cable (included).

Powered by an internal 250 mAh battery.

5V micro USB port for charging (micro USB/USB cable included).

Battery life: 5 to 6 hours.

Charging time: 2 to 3 hours.

Standby time (when not in use): 180 hours.

Memory card capacity: 16-32GB (not included)

Adjustable headband and articulated speakers