Brand: Baseus Name: Encok Sports Model: S07 Headphones type: In-ear, wireless Material: ABS + aluminum + TPE + silicone Bluetooth: Bluetooth 4.1 Transmission distance: 10 m Frequency: 20 - 20000 Hz Battery capacity: 60 mAh Standby time: 100 hours Music time: 5-6 hours Talk time: 7 hours Charging time: 2 hours Cable length: 55 cm Weight: 14 g Additional features: Built-in remote control Package includes: headphones, 3 pairs of earcaps, USB / micro USB cable (50 cm), warranty card