Standby time: about 100 hours Bluetooth 5. 1 und hd mic: adopt the advanced bluetooth 5.1 technology. Bluetooth earbuds support ultra stable connection, faster paring and universal compatibility. Charging time: about 2 hours Headphone: 40mAh Horn size: 10mm Material: ABS 1X Charge Cable Suitable for more models of mobile phones, universal Bluetooth connection, not affected by the device IPX5 water-proof effortlessly protects the earbuds from heavy rain or sweat during workouts and all-weather conditions. Endurance: 6 hours Auto Pairing and Easy Operation：Just - sports wireless earbuds from charging case,they will power on and pair with each other automatically. Product Name: S1 Wireless Hanging Neck Bluetooth Headset Transmission distance: 10M Battery capacity: Charging compartment: 240mAh Impedance: 32Ω 1X Neck Bluetooth Earphone Frequency response: 20Hz-20KHz In-ear earplugs and convenient portability: The in-ear design of the earphone makes it lighter and more comfortable to wear. More suitable for stable use of each ear. You can wear it around your neck like a necklace, which is a convenient way to carry it. Ear Buds Candy Bass Headset with Mic