HDEB-TWS002 ANC Noise Cancelling Earbuds with Full-Color LED Display HD In-Ear Headphones with Touchscreen Controls Waterproof Design earbuds

Product parameters:Model: HDEB-TWS002 「Intelligent color screen multifunctional headset」   Colors: gold, black

1. Chip: Jerry 7003D4 noise reduction.         2. Version: 5.4 【Dual-ear call】.       3. Operating frequency: 2.402 - 2.480 GHz.       4. Supported protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP, and SPP.      5. Transmission distance: 15M 【without obstacles】.      6. Response frequency: 20 - 20000Hz.     7. Speaker unit: ΦF10 titanium composite film, 32Ω±15%, 118±3dB, 1mW.      8. Microphone: 2718 silicon microphone, -42±3dB.     9. Charging input standard: contacts, DC4.75 - 5.25V/600MAH.      10. Battery type: 3.7V polymer battery 500mAH with protection board (3C fast charging battery), earphone battery 30mah.   11. Charging time: 1h.         12. Earphone working time: Continuously playing at 100% volume is about 5.5 hours.     Packing size: 57.5×34×48cm.        Packing quantity: 100pcs.