Please note, this item ships from an international seller. Expected delivery is 10-15 days. C10-3 Bluetooth 5.1Headset Wireless Earphones Mini Earbuds Stereo Headphones Product Features: Play pause (tap the left ear 1 time), answer and hang up (tap the left ear product function), summon siri (press and hold the left ear for 1 second), volume down (press the left ear 3 times), switch to the previous song (Press the left ear twice), switch the machine (long press for 5 seconds) Applicable products: smart matching mobile phones, tablets (Android/i0S and other systems compatible Earphone charging: Put the earphone into the charging compartment and cover the lid. The earphone will be charged automatically. When charging, the earphone lights up in red, and it goes out when it is fully charged. Charging in the charging bay: After connecting the data cable, the red light in the charging bay is fully charged and the red light is off Specifications: Product model: C10 Bluetooth version: V5.1 Noise reduction version: CVC8.0 Working distance: connect within 10 meters Single ear capacity: 50 mA Charging bay capacity: 2000 mA Automatic boot: support Automatic pairing: support Endurance time: accumulated about 220 hours (need to be used with charging bay) Talk time: about 180 hours total (need to be used with charging bay) Headphone charging: about 40 times Input current of left and right charging compartment: 5V 1A Magnetic absorption function: magnetic absorption and nano charging Control method: to-uch operation Package parameters: Headphone*2 Size ear cap*1 Charging cable*1 Charging compartment*1