In-Ear Headphones - Universal - Bluetooth Headset in inhi k18 Highlights Universal Bluetooth Headset in inhi k18 Bluetooth Headset in inhi k18 Product is shipped according to the color or size of the main image on the product page . 1. The large-capacity charging compartment can not only charge the headset, but also charge the mobile phone, charging a portable power bank. The use of the word is 6 hours, and can be extended to 72 hours when it is used with the charging bay. 2. Adopt double DSP noise reduction technology, good sound quality, clear call, intelligent noise reduction and dynamic coil drive unit. 3. Lightweight, close to the ears, no wearing feeling, more comfortable and stable, and will not fall off. 4. Touch design, voice control, magnetic induction. 5. LED Double Power Display to avoid the embarrassment of running out of power.