S660 Tws Wireless Headset Bluetooth 5.2 Touch-control Earphone Ear-mounted Sports Running Earbuds Black

Product Name: Bluetooth-compatible Headsets
Bluetooth-compatible standard: V5.2
Carrier frequency: 2.402GHz-2.485GHz
Frequency range: 2.0Hz-20KHz
Transmission range: 8-10 meters
Charging time: ___ 3 hours
Use time: 15 hours
Standby time: 300 hours
Packing list:
1 pair x Bluetooth-compatible headsets
1 x charging cable
1 x user manual
1 x 3.5mm jack microphone adapter
1 x headset carrying case
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.