ITEM NAME:Bluetooth 5.0 Earbuds HiFi Wireless Earphone Headphone w/ Fan For Cell Phone Description: Adopt the most advanced Bluetooth 5.0 technology , Provides in-call stereo sound Also own fast and stable transmission without tangling. Pick up 2 earbuds from charging case, They will connect each other automatically, then enter mobile phone bluetooth setting to pair the earbuds. Hi-fi stereo sound quality: Superb listening experience with powerful bass and exceptional detail. Get an unrivaled Sound Quality & Call Clarity. Noise cancellation technology reduces ambient noise and echo. The charging box with built-in 2000 mAh battery can provide earbuds to charge anytime, anywhere, and never worry about running out of power. Handheld Fan: In addition to charging the headset, the charging box of the headset is also a handheld fan. In the hot summer, enjoying music requires a cool environment. Specification: LED Headphone Power Display Bluetooth version: 5.0 Working distance: 10 meters. Talk time: 5-6h (1 recharge). Playing music time: 5-6h (1 full charge). Standby time: 650h (with charger shell). Charging time: 1-2h. Input current: 5V 1A. Output current: 5V 1A. Battery type: 3.7V,>; 2000mAh, lithium ion battery. Charger shell capacity: 2000mAh Waterproof: IPX7 Headphone battery capacity: 50mAh Storage box battery capacity: 3500mAh Package Includes: 1 Pair Bluetooth Headphones 2 Pairs Ear Cap 1 Piece Charging Box 1 Piece Charging Cable 1 Piece User Manual Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!.LED Headphone Power Display. Headphone battery capacity: 50mAh. Adopt the most advanced Bluetooth 5.0 technology, Provides in-call stereo sound Also own fast and stable transmission without tangling.