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Product parameter: Product model: Y30 TWS Bluetooth version: 5.0 Transmission distance:10M Earphone battery: 50mah Standby time:100 hours Talk time: 3-4 hours Listen to the music: 3-4 hours Color: black, white Headset Charging time: 1-2 hours Charging case:2 hours Features: Comfortable to use, compact and portable High quality sound quality Easy to use while exercising Waterproof design Package Includes: 1 *Pair of headphones 1*Charging compartment 1*Usb charging cable 1*Instruction Manual