E1 Smart Noise Reduction Unilateral Ear-mounted Bluetooth Earphone (Black Blue)

Features: 1. Bluetooth 5.0 chip, faster and more stable connection, no delay 2. Intelligent noise reduction, high-definition call 3. Multi-function buttons, one-handed operation, safer driving 4. Support Chinese and English switching, call voice assistants, answer/hang up calls, adjust volume, previous song/next song, etc. 5. It is comfortable to wear and will not fall off 6. Life grade waterproof and sweat proof 7. Compatible with all Bluetooth-enabled devices Product specifications: 1. Earphone: 230mAh 2. Listen to songs and talk: about 20 hours 3. Charging time: about 1.5 hours 4. Bluetooth version: version 5.0 5. Frequency: 40Hz-20KHz 6. The impedance is: 32 ohms 7. Sensitivity: 85dB/mW 8. Waterproof rating: IPX5