1. Converting wired devices into wireless, adding BT function to home stereo system, speakers, car audio, etc. 2. Latest BT 5.3 technology, low latency, 10m stable connection, real-time navigation, music, gaming at the same time 3. Super BASS on/off button, press to switch to super bass mode, enjoy HiFi audio with bass boost technology 4. Double-sided blind plug USB, battery-free design, easy to install & use, plug-and-play 5. Colorful LED ring, easier to use at night, safer driving 6. Dual connection, auto reconnection, free switch between call and music 7. Free switch between TF card, BT mode and more 8. Enlarged metal mic mesh, enhancing sound pickup, ensuring HiFi hands-free calling 9. Compact and portable size, space-saving design 10. Premium 100cm TPE cord, included storage strap with adjustable length 11. Independent large call button, easy to operate with one hand 12. Zinc alloy connector, makes the 3.5mm adapter more durable Specifications: BT version: V5.3 Audio decoding: AAC, SBC Supported protocols: HFP, A2DP, AVRCP Supported modes: TF card, BT mode TF card capacity limit: 32G Working frequency: 2402MHz-2483.5MHz Max output power: 4+/-1dBm (EIRP) BT range: 10m (barrier-free open environment) Frequency response range: 20Hz-20KHz Microphone sensitivity: -38dB+/-2 Input port: USB+AUX Cord length: 100cm Power input: 5V 1A Material: ABS+PC+aluminum alloy Size: 55x24x12mm Net weight: 21g
