• Skin-friendly silicone elbow, it can bend 360 degrees
• Directional sound transmission black technology, effectively prevent sound leakage, half-in-ear sound transmission, reduces sound leakage by 99%
• 13mm full frequency graphene diaphragm sound unit, balance full frequency listening sense. Present clear sound quality
• Digital power display, more intuitive and easy to observe
• You need to buy two headsets to have binaural TWS function
• Equipped with Bluetooth 5.3 chip, low loss data transmission, rapid response, stronger anti-interference

Specifications:

• Features: Digital display of battery level, switch between Chinese and English, caller ID, tripartite call, binaural TWS function (requires purchasing 2 earphones), wake up voice assistant, iOS battery level display, WeChat voice, music playback, etc.
• Bluetooth version: 5.3
• Battery capacity: 100mAh
• Call/listen to music: about 20H
• Elbow: silicone (can bend at will, easy to wear)
• Transmission distance: 15M in an unobstructed straight line
• Charging time: about 2H
• Impedance: 32Ω
• Frequency: 20Hz-20Khz