ENERGY SISTEM Style 3 Bluetooth 5.1 Wireless Earphones

Features: Beat to the beat of the music: - Vibrate with your favorite music thanks to the deep and powerful bass of this wireless earphone. Enjoy for much longer thanks to its Long Battery Life, up to 25 hours of battery life. The best audio on your calls: - Thanks to HQ Voice Calls you´ll be able to converse with crisp and clear audio on your calls. Its circumaural design, which covers the entire ear, gives you a greater sense of isolation and comfort. Forget about cables: - Headphones with Bluetooth® 5.1 technology, with up to 20 meters of range. Hands-free function and voice assistant compatible with Google/Siri. Greater freedom without cables to be always connected. Specifications: Audio: - Driver diameter: 40 mm - Drivers: Dynamic - Frequency response: 20 Hz ~ 20 kHz - Type: Circumaural Connectivity: - Voice assistant (Google, Siri): Yes - Bluetooth - Version: 5.1 - Bluetooth - Class: 2 - Bluetooth - Working frequency: 2.4 GHz - Bluetooth - Profiles: A2DP / AVRCP / HFP / HSP - Bluetooth - Range: 20 m - Bluetooth - Supported audio codecs: SBC - Bluetooth - Maximum signal strength: < 20.00 dBm Battery: - Type: LiPo - Capacity: 400 mAh - Voltage: 3.7 V - Autonomy - Normal use: 25 h - Charging system: USB type C - Charging time: 2 h Microphone: - Hands-free: Yes - Type: Integrated - Sensitivity: -38 dB ± 3 dB (@1 kHz) - Frequency range: 10 Hz ~ 10 kHz Power: - Supply - Connectors: USB type C - Cable length: 120 cm Compatibility: - MAC / Windows PC / Smartphone / TV Other features: - Playback control: Yes - Volume control: Yes - Headband type: Adjustable Dimensions and weight: - Height: 171 mm - Width: 182 mm - Depth: 85 mm - Weight: 176 g