Bluetooth version: V4.0
Frequency response range: 2.40GHz-2.48GHz
Transmit power: ≤ 4 dBm, class 2
Working range: 10M
Receive sensitivity -84dBm / 0.1% BER
Call speed: 3M bps (asynchronous)
433.0 Kbps (synchronous)
Frequency response: 20 Hz - 20 KHz
Signal to noise ratio 70 dB
Distortion rate (THD) 0.10%
Speaker 40mm 钕Magnetic moving coil
Bluetooth mode support A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5
Operating voltage 3.7VDC (built-in A-class 400mAh rechargeable lithium battery)
Talk time 10 hours
Standby time 250 hours
Charging time 2-2.5 hours
Working current 40 mA
Shutdown current 2 ~ 10 μA
Operating temperature -4 ~ +131°F (-20 ~ +55°C)

1. Voice control, volume +/-, up/down song switching, answering calls

2. Play/pause, support 3.5mm audio interface, 3.5 plug audio cable directly connected to the headset to enjoy high-quality music playback without good power, good noise reduction function, all functions are available.

3. Bluetooth card settings, enjoy wireless high quality music even if you don't have Bluetooth connected
4. The appearance of the Bluetooth headset is treated with high quality UV varnish, which has a smooth feel and high-end atmosphere;

5. Full-size protein skin comfort earmuffs, comfortable to wear; sealed earmuffs designed to effectively block outside noise;

6. Foldable design, adjustable head size and high applicability;

7. Built-in battery for up to 10 hours of work time, long standby, no need to worry about low battery

8. Built-in high-quality 5.0 Bluetooth music chip, super cool music enjoyment. It is a Bluetooth headset that is the best choice for travel.