JR-DB1 True Wireless Earbuds-Black

Series name: Product name: True Wireless Earbuds Model: JR-DB1 Type: in-ear Color: black, purple BT version: V5.3 Chip: Jieli AD6973D4 BT audio decoding: AAC, SBC Supported protocols: HSP, HFP, A2DP, AVRCP Working frequency: 2402 2480KHz 1. Ergonomic small size design, secure & stable fit 2. BT 5.3, low power consumption stable transmission, audio and picture sync-up without delay 3. Bio-fiber diaphragm dynamic speaker, HiFi super bass quality 4. In-ear passive noise cancellation technology, blocks noise immediately once putting on the earbuds 5. Dual main earbud mode, seamless switch between single