R201 With Charging Bin Hanging Ear Stereo Digital Display Bluetooth Earphones(Black)

1. Bluetooth version: V5.32. Transmission distance: about 10m (without obstacles)3. Bluetooth chip: AD6973D4. Bluetooth protocol: HFP, HSP, A2DP, AVRCP5. Battery capacity: charging bin 500mAh6. Charging time: about 1.5-2h7. Speaker resistance: 16 ohms/8mm8. Speaker output power: up to 5mW9. Headphone sensitivity: 106dB10. Frequency range: 50HZ-20KHZFeatures:1. Hanging ear to wear, comfortable and non-sensory, non-slip and not easy to fall2. 6mm dynamic speaker, graphene diaphragm, high-fidelity dynamic unit3. Pick up automatic pairing, rapid connection, signal stability4. Digital display power screen, easy to view the power usage5. Dual host dual channel, single binaural mode seamlessly switch, left and right ears can be used separately6. Touch operation, simple and fast