Description Built-in magnets allow you to connect the two earphones together and wear them around your neck like a necklace when not in use. It's a convenient way to carry it when you don't need it. Enjoy music during your runs, fitness, sports and workouts, thanks to ergonomic in-ear headphones designed to fit the contours of your ears and a 10-meter working distance. Bluetooth 4.2 technology, easy and fast pairing with mobile phones, tablets and other Bluetooth-enabled music devices, and provides high-quality stereo sound. Compatible with 99% of mobile phones, tablets, Bluetooth-enabled laptops and other digital devices on the market.Support automatic reconnection, intelligent English voice prompt. Type: Bluetooth headsetBluetooth version: Bluetooth V4.2Battery capacity: 75mAh Charging time: 1.5 hoursTalk time: 3-4 hoursMusic time: 5 hoursStandby time: 60 hours Charging input: DC-5V/1ABluetooth frequency: 2.402GHz - 2.480GHzBluetooth distance10m Color: Black, Blue, Gold Silver Package Included: 1*Bluetooth Earphone 1*USB Charging Cable Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)