M-k8 Bluetooth Earphone Hanging Ear Type Unilateral Headsets Waterproof Music Earbuds Black

Name: Hanging Wireless Bluetooth-compatible Sports Headset
Bluetooth-compatible version: V5.2 version;
Chip: Jerry 6976;
Battery: 90MAH;
Duolingo: about 10 hours;
Call: about 12 hours;
Distance: about 10 meters;
Charging time: about 1 hour;
Speaker: 32 Euro 0910;
Frequency: 20Hz-20KHz;
Impedance is: 32 ohms;
Sensitivity: 85dB/mW;
Waterproof grade: IPX 5;
Bag weight: 22G;
Packing list:
1 x Bluetooth-compatible headset
1 x USB charging cable
1 x Packaging bag
Note:
1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding.
2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.