Feature: --Listen to songs and make calls, support listening to songs and making calls. --Every time the Bluetooth-compatible headset is connected to the mobile phone, the Bluetooth-compatible headset will automatically connect back to the mobile phone when it is turned on, which is convenient and fast. --Touch control, automatic power-on/automatic power-off, previous song, next song, support daily waterproof and sweatproof (do not support washing and soaking); --Smart Compatibility: Supports all Bluetooth-compatible mobile phones, tablets, laptops, singing, music, movies, etc.; Description: Name: Wireless Headphone Bluetooth-compatible: 5.2; Applicable mode: single ear (right ear - hanging ear - in-ear); Battery capacity: 50mAh; Standby time: ≈180H; Use time: ≈5H; Charging time: ≈ 1H; Tips: 1. Please do not use the fast charger to charge the headset 2. Please use the 5V 2A or 5V 1A charging adapter to charge the headset, thank you for your understanding; Packing list: 1 x Bluetooth-compatible headset 1 x USB charging cable 1 x Packaging bag Note: Due to manual measurement, please allow 1-3 cm error, thank you. Due to screen and other objective reasons, there may be a certain color difference, please understand.