R201 With Charging Bin Hanging Ear Stereo Digital Display Bluetooth Earphones(Pink) Filter-Power Cord Most of the car models

Most of the car models on the market

Built-in High-Power Amplifier: With a built-in high-power amplifier

cloud monitoring

General Compatible with Lenovo:  K9

Package weight: 40g

R201 With Charging Bin Hanging Ear Stereo Digital Display Bluetooth Earphones(Pink) Filter-Power Cord Most of the car models1. Bluetooth version: V5. 3 2. Transmission distance: about 10m (without obstacles) 3. Bluetooth chip: AD6973D 4. Bluetooth protocol: HFP, HSP, A2DP, AVRCP 5. Battery capacity: charging bin 500mAh 6. Charging time: about 1. 5 2h 7. Speaker resistance: 16 ohms 8mm 8. Speaker output power: up to 5mW 9. Headphone sensitivity: 106dB 10. Frequency range: 50HZ 20KHZ Features: 1. Hanging ear to wear, comfortable and non sensory, non slip and not easy to fall