Energy Sistem Urban 4 True Wireless Headphones (Bluetooth, Touch Control, Easy Connect, IPX5 Protection) Sky, Single

• True Wireless Bluetooth in-ear headphones for total cable management
• Touch Control features; say goodbye to buttons
• Thanks to its easy connect, the headphones automatically pair with each other when taking them out of its case
• Recharge your headphones up to 3 times with its compact charging case, designed to carry around comfortably
• Whether in the rain or the tap, you don't worry about getting them wet thanks to its IPX5 protection

Connectivity: Bluetooth: 4.2 Range: 10m Working frequency: 2.4GHz Maximum signal power: 20dBm True Wireless Function with Auto Sync + Drivers: Neodymium Magnet Frequency response: 20-20,000Hz Driver Diameter: 6mm Sensitivity: 90±3dB/mW (1KHz)SPL: 103±3dB Maximum power: 2mW Design:In-Ear Type: Dynamic Impedance: 16 Ohm+ Microphone Sensitivity: 42dB ± 3dB (1KHz)+ Battery: Headphone capacity: 50mAh / 3.7V Type: Li-Polymer Average volume runtime: 2.5 hours Charging time: 1.5 hours Charging method: charging case Charging case capacity: 380 mAh / 3.7 V. This data is approximate. The autonomy depends on the selected volume and the type of music played.