Hi,my dear customer, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. Please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please feel free to contact me. We provide world-class customer service and try our best to safeguard your consumption rights, so that you can have no worries about your purchase. I wish you can buy the most cost-effective goods you like. Sport Neckband Headset Bluetooth5.0 Wireless Headphones LED Digital Display Hanging Neckband Sport Headset Noise Cancelling Features: 1. Memory hanging neck collar, comfortable to wear, can not throw off 2. Bluetooth 5.0, faster connection, stable connection, transmission does not damage the sound quality 3. Magnetic absorption storage design, adsorption hanging neck, do not lose 4. 2000 battery, strong, up to 20 hours 5. and sweat proof design can effectively resist the damage caused by sports sweat 6. It supports Bluetooth and plug-in card modes. The plug-in card can listen to music without a mobile phone. It supports 32g memory card at most Specification: Bluetooth version: 5.0 Transmission distance: up to 10m Usage: neck hanging Working mode: Bluetooth connection, plug-in card Memory card: up to 32g (not included) Built in battery: 2000mA Endurance: about 30-50 hours Charging time: 2 hours Packing list: 1x earphone 1x USB charging cable Features: 1. Memory hanging neck collar, comfortable to wear, can not throw off 2. Bluetooth 5.0, faster connection, stable connection, transmission does not damage the sound quality 3. Magnetic absorption storage design, adsorption hanging neck, do not lose 4. 2000 battery, strong, up to 20 hours