K045 2 In 1 Outdoor Mini Wireless Bluetooth Audio In-Ear Headphones(Red) Tag-Access Controller relieve fatigue

relieve fatigue

Flannel lining to prevent scratches

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K045 2 In 1 Outdoor Mini Wireless Bluetooth Audio In-Ear Headphones(Red) Tag-Access Controller relieve fatigue1. Bluetooth version: 5. 3 2. Transmission range: 10 meters 3. Support protocol: A2DP HFP HSP AVRCP 4. Speaker driver: 40mm (speaker) 10mm (headphone) 5. Speaker rated power: 3mW 6. Frequency response: fx 14kHZ (speaker) 20HZ 20kHZ (headphones) 7. Speaker battery capacity: 1200mAh 8. Headphone battery capacity: 40mAh 9. Speaker standby time: 1000 hours 10. Headphone standby time: 40 hours 11. Speaker playback time: 5 6 hours 12. Headphone playback