Equipped with Qualcomm's High-Performance BT 5.0 chipset The same wireless processor used by world's leading mobile phone manufacturers. Qualcomm's high-performance chipset equipped with fast connection, low distortion and consistent high-quality audio streaming.
Nano Waterproof Coating Nano-waterproof and sweat-resistant coating for protection from the inside out. Prevent the splash of water and sweat from all sides, not afraid of sweating.
DSP-enhanced noise reduction technology Qualcomm's DSP noise reduction technology helps suppress background noise and echo feedback for a quieter and more seamless user experience.
Specification: Name: TRN BT20S/BT20 Bluetooth 5.0 Ear Hook Model Number:BT20S Bluetooth Version: 5.0 Color: Black cable Interface: 2PIN/MMCX Battery Capacity: 70mAh Playing Time: About 8 hours Effective Distance: About 10m Charging Time: About 2 hours Charging Port: Micro USB/DC 5V/60mA Volume Control: Yes With Microphone: Yes