K1TWS T-ouch Digital Display Wireless Mini Sports In-Ear 5.1 Bluetooth Headset Features: 1. Titanium-plated polymer composite diaphragm / cicada sound stereo cavity is stable and fully close to the ear, comfortable to wear 2. The new ergonomic full-on-ear design, from multiple dimensions such as comfort, stability, concealment, and crowd adaptability, interprets you to wear it as if you are not wearing it. 3. Both the left and right earphones are equipped with Bluetooth 5.0 chip, which has the characteristics of high performance, low power consumption and high stability, strong anti-barrier interference ability, battery life and stable improvement of sound quality. 4. Brand new 5.1 Bluetooth, can support L2CAP/A2DP1.2 protocol for synchronous transmission of left ear headphones, with lower delay comparable to the non-inductive delay experience of wired headphones. 5. The three-band expressiveness, rich music details and full integration of cyber zero-sense adjustment, surging bass style full of low-frequency shock, bringing you a more shocking experience of diving Parameters: Model: K1 Transmission range: 10M Functions: power display, call function, voice control, music support, multipoint connection Bluetooth protocol: 5.0 Channel: stereo Usage: earplug Single or double ears: bilateral stereo Internal inclusion1PC pair of headphones 1PC charging line