Awei T67 Wireless Air Conduction Earphone.

The Awei T67 Air Conduction Wireless Bluetooth Headset Sport Waterproof Wireless Headphones HiFi Stereo Earbuds with Microphone. Ultra-Low Latency Precise And Nuanced 0.038 seconds low latency, sound, and picture synchronization A decisive battle with Qianjun will help you win the best in the audience. Comfortable Burden-Free Exercise More Easily About the weight of a pen, comfortable material is not sensitive Long-term wear without weight-bearing, wireless without restraint, get rid of the "stethoscope effect"ACE In The Crowd.

Can't Help But Follow Four colors available Easily control various styles, every moment is trendy and excellent 20H Long Battery Life Listen To It For A Long Time A single battery life of up to 6 hours, is used with a charging case. The battery life can reach 20 h, accompanying you from day to night 10mm. Dynamic Coil Unit Buckle Every Note. The small figure releases a lot of energy, with a built-in 10mm high-fidelity speaker unit, and the sound of drums every time, every unique note, leaps into your ears.

Specifications: 

• Brand: Awei

• model name: T67

• Profile Support: A2DP, AVRCP, HFP, HSP

• Stan-by Time: 300h

• Talk Time: 7.5h

• Music Play Time: 8.5h

• Charging Time: 1.5h

• Charging Voltage: DC 5V

• Frequency Range: 20Hz-20kHz

• Ambient Temperature: -20/+45°C

• Transmission Distance: 10m

• Earplug battery capacity: 65mAh/3.7V

• Battery Capacity: 400mAh/3.7V

• Driver Specification:

• Driver Unit: 10*8.5mm

• Sensitivity: -42dB±2dB

• Impedance: 32Ω±15%

• Frequency Response: 20-20000Hz.

• Bluetooth version: V5.3 AD6973D4 (with power amplifier)

• Horn parameters:

• Horn specification: 10 * 8.5 * 2mm square horn

• Sensitivity: 119 ± 2dB (800MV 1KHZ)

• Impedance: 30 Ω ± 15% Ohm, at 1KHz

• Output power: 21mW

• Microphone parameters:

• Sensitivity: - 42dB ± 2

• Impedance: 400 OHM