F9-5C Touch 5.0 Wireless Bluetooth Headset Ultra-Small Stealth Universal Waterproof Earphones black

-The headset uses Bluetooth 5.0 chip to achieve fast and stable connection.

-Intelligent touch operation, easy to use.

-It has a built-in active noise reduction IC, which can provide high-definition phone calls.

-You can buy one or two headphones with HiFi stereo.

Description:
Product name: wireless headset;
Material: ABS;
Model: F9-5C;
Bluetooth version: 5.0;
Protocol: HFP 1.7 / HSP 1.2 / A2DP 1 / AVRCP1.6 / SPP 1.2 / PBAP 1.0;
Charging voltage: DC 5V;
Microphone sensitivity: -42Db;
Working temperature: -10-50 degrees Celsius;
Frequency range: 20-20000Hz;
Sensitivity: 120dB +/- 5dB;
Transmission distance: 10m;
Charging time: about 1 hour;
Cumulative working time: about 220 hours (using a fully charged charging box);
Headphone battery capacity: 50mAh (inclusive);
Battery capacity of charging box: 2000mAh (included);
Features: rechargeable, portable, smart charging;
Charging box size: 14cm x 10cm x 4cm / 5.51'x 3.94'x 1.57' (approximately);
Packing list:
2 x Wireless Earphones
6 x Ear Caps
1 x Charging Box
1 x Charging cable
1 x Instruction Manual
Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.