ENERGY SISTEM Beech Wood Bluetooth Headphones

In-ear headphones made from sustainable wood with True Wireless technology. Qi compatible charging case included. Compact design earphones delivering a balanced sound, clear treble and powerful bass. Built-in microphone and USB Type-C charging connector. Feature: - Sustainable wood housing for an improved sound performance and a deeper, sharper sound. - Qi compatible charging case to charge your earphones wirelessly. - Enjoy your music and calls and forget about running out of battery with the 20-hour battery life (8 hours every time you charge them and 12 additional hours with the charging case). - Touch Control functions in a really compact design. Enjoy comfort at all times. Specifications: Audio: - Frequency response: 20 Hz ~ 20 kHz - Driver diameter: 6 mm - Maximum power: 5 mW - In-ear design - Type: dynamic Connectivity: - Bluetooth 5.1 - Frequency band: 2.4 GHz - Maximum output power: < 20.00 dBm - Compatible Bluetooth profiles: HFP / A2DP / AVRCP / AVCTP - Up to 20 m distance range - True Wireless Stereo function Microphone: - Type: built-in microphone - Sensitivity: -42 dB ± 3 dB (@1 kHz) - Hands-free function - Voice assistant compatible with Google/ Siri Battery: - Capacity: 50 mAh (each earbud) - Type: lithium polymer - Battery life: up to 8 hours* - Charging time: 1 hour - Charging method: charging case Charging case: - Capacity: 230 mAh - Type: lithium polymer - Extra battery life: 12 hours - Charging method: USB Type-C connector or wireless charging system - Charging time (with cable): 1 hour - Charging time using a wireless charging dock: 1 hour