Product Name: Bluetooth-compatible Headset Item model number: K6 Bluetooth-compatible solution: 5.1 Jerry Product speaker: 32Ω real copper ring speaker Standby time: 240H Working time: 10 hours Charging time: about 2.5 hours Communication distance: barrier-free 10 meters Memory capacity: 16G Support mode: MP3/Bluetooth-compatible Appearance material: ABS Headphone battery capacity: 120mAH Charging interface: type-c Language prompt: support Chinese and English switching (press the + button for 4 seconds before the headset is turned on and connected to the mobile phone)