About this item 【Wired and wireless dual-mode】Smart Bluetooth stereo multi-function headset, one-touch connection, restored real sound, wired and wireless connection, it is a wireless headset and has a wired connection function, which can be used according to your own needs and mastered free. 【Folding design】Support folding, easy to carry and store, foldable and retractable to adjust the wearing size, more practical and user-friendly. 【Micro-adjustable earphones】Support micro-motion stretching structure adjustment, can adjust the ear shell for more personal comfort, suitable for people with different head shapes. 【Long standby time】Polymer safety explosion-proof battery, can be used continuously, no longer worry about the battery is not durable, born for battery life. 【Widely compatible】Compatible with 98% of digital devices in the market, including: earphones, GPS, tablet computers, hosts, mobile phones, MP3/MP4, etc.