Description: Bluetooth 5.2 wireless headset outdoor trend sports monaural headset, Smart headset multi-function keys, can meet up and down, smart call Siri and callback functions. Human ear engineering design creates the concept of high-end quality and comfortable wearing. Clear communication without barriers can be achieved within 10 meters, and the signal is wide and stable. Fast charging, long standby time: It can be fully charged in 2 hours, and it can be standby for 15 hours for a long time. It can guarantee 5 hours of continuous talk, saving power and durable. Using multi-point connection technology, two Bluetooth devices can be connected at the same time. The user-friendly design allows you to understand the ISO power usage at any time. Compatible with 99% of mainstream mobile phones, tablets, portables, desktops and other smart devices on the market, one-key connection, simple operation. Specification: Type: L20 mini Cut the song: support Battery capacity: 50mAh Charging time: 1-2 hours Music playing: 3-5 hours Bluetooth version: V5.2 Bluetooth power consumption: low power consumption Headphones material: ABS plastic Noise reduction: CVC6.0 intelligent noise reduction Function: long press 1.5 seconds to start, long press 1.5 seconds to play the next song after pairing, long press siri for 3 seconds, long press Siri for 5 seconds to shut down, double click to call back, and triple click to play the last song For Apple, for Samsung, for HTC, for Xiaomi, for Meizu and other mobile phones,for iPad and other tablet computers, notebooks and desktop computers. Size Chart: 15.0x10.0x2.0 cm/5.91x3.94x0.79inch Package Includes:(4 Pack) 1 Piece Single Earphone 1 Piece Charging Line