Open Comfortable Hanging Ear OWS Bluetooth Earphones(Black)

1. Bluetooth programme: AB5656T3 2. Support Bluetooth protocol: A2DP/AVDTP/AVRCP/RFCOMM/HFP/HSP/SPP/HID 3. Bluetooth version: V5.4 4. Frequency range: 2.402GHz-2.480GHz 5. Transmission distance (barrier-free): about 10m6. Speaker impedance: 16 ohm 14.2mm 7. Speaker output power: 5mW 8. Sensitivity: 119dB 9. Frequency range: 20HZ-20KHZ 10. Signal-to-noise ratio: greater than 90dB 11. Battery capacity: single earphone: 50mAh; charging case: 300mAh12. Use time: about 4-5.5h13. Standby time: about 120h14. Charging voltage: DC 5V 1A15. Charging time: about 1h16. Charging case size: about 6.8 x 8 x 2.7cmFeatures:1. 14.2mm large moving coil, CD-grade lossless sound quality, graphene diaphragm, high-fidelity moving coil unit, bass-heavy bio-diaphragm2. Ergonomic ear design, airy and soft to wear, outdoor sports running without falling off3. 360-degree ultra-clear surround sound, enjoy the panoramic space sound effect4. Noise-cancelling ultra-high-definition calls, improve clarity and fidelity5. Synchronised audio and video for a more immersive gaming experience6. Bluetooth 5.4 chip, high compatibility, anti-interference ability, more stable7. Automatic boot back to the connection, single and double ear mode can be seamlessly switched without disconnection8. Intelligent digital display charging compartment, remaining power at a glance9. Easy operation, sensitive induction