USAMS USAMS-US14 US Series Dual Mic ENC Earbud Noise Reduction TWS Stereo Headset Semi-in-ear Bluetooth 5.3 Earphone

• Dual-mic Array, ENC Function: Dual-mic array, accurate sound collection, effectively filter out environmental noise, makes calls smooth and clear
• AAC HD Decoding, Immersive Sound: 13mm space diaphragm loudspeaker, AAC HD audio decoding, makes music more full and rich in details
• 60ms Low Latency, Smooth Gaming Experience: Press 4 times to open the game mode, instantly boost transmission speed and reduce latency to 60ms
• BT5.3 Chip, Auto Pair and Connect: More advanced BT 5.3 chip, faster connection than previous versions, stronger anti-interference, and smooth sound
• Long Battery Life Endurance: 400mAh high-capacity charging case, can extend the working time of the earphone up to 35 hours, meets your usage demand for the whole day
• Semi-in-ear design, ultra-light, comfortable to wear, and sensitive to touch

Specification:

•  
• Brand: USAMS
• Model: USAMS-US14
• BT Version: 5.3
• SpeakerDiameter: 13mm 
• Speaker Impedance: 32Ω
• SNR: >70
• Earbud Battery Capacity: 40mAh
• Calling Time: About 5.5h
• Charging Case Weight: About 30g
• Charging Time for The Case: About 1.5h
• Standby Time: About 40h
• Material: ABS+PC
• Connection Range: ≤10m
• Speaker Sensitivity: 108±3dB 
• Speaker Frequency Response: 20Hz~20KHz
• Earbud weight: About 3.7g*2
• Playing Time: About 7h
• Earbud Charging Time: About 1h
• Charging Case Battery Capacity: 400mAh
• Charging Case lnput: 5V
• Charging Case Size: 55.1*46.7*25.4mm