Popular Super Mini In-Ear Earphone Headset Hidden New

Popular Super Mini In-Ear Earphone Headset Hidden New. Wireless version: 5.1. Signal transmission channel: CASSL2. RF transmission. Power: 90DB. Microphone sensitivity: 42DB. Transmission range: about 10-15m. Transmission rate: 24MBPS. Battery: Capacity: 40mAh for earphones, 400mAh for charging bin. Use time: about 4-5h. Charging interface: Type-C/USB-C. Input. Voltage: DC 5V 1A. Mini body shape, no feeling of wearing, comfortable and invisible. In-ear noise isolation design, tight fit. Simple and compact, easy to carry. Material: ABS. Model: TBD0603260801D-ZL.