Energy Sistem Style 4 Headphones True Wireless Stereo (TWS) In-ear Calls/Music USB Type-C Bluetooth Violet

Charging case connector type: USB Type-C | Microphone type: Built-in | Battery technology (charging case): Lithium Polymer (LiPo) | Charging case type: Wired | Battery capacity (charging case): 400 mAh | Battery recharge time (charging case): 1.5 h | Left earpiece battery capacity: 30 mAh | Works with Apple Siri: Yes | Continuous audio playback time (with charging case): 25 h | Input voltage (charging case): 3.7 V | Music playback: Yes | Charging case capacity: 400 mAh | Works with the Google Assistant: Yes | Quick start guide: Yes | Volume control: Button | Battery recharge time: 1.5 h | Package type: Box | Product colour: Purple | Cables included: USB Type-C | Continuous audio playback time: 5 h | Frequency band: 2.4 GHz | Control type: Buttons, Touch | Headphone frequency: 20 - 20000 Hz | Recommended usage: Calls/Music | Driver unit: 1 cm | Right earpiece battery capacity: 30 mAh | USB connector: USB Type-C | Bluetooth profiles: A2DP | Bluetooth profiles: SBC | Product type: Headphones | Weight: 42 g | Bluetooth profiles: HSP | Connectivity technology: True Wireless Stereo (TWS) | Microphone sensitivity: -42 dB | Bluetooth profiles: HFP | Height: 30 mm | Bluetooth: Yes | Bluetooth profiles: AVRCP | Headset type: Binaural | Width: 65 mm | Battery voltage: 3.7 V | Wearing style: In-ear | Driver type: Dynamic | Charging case: Yes | Bluetooth version: 5.1 | Ear coupling: Intraaural | Microphone frequency: 100 - 10000 Hz | LED indicators: Status | Depth: 35 mm | Battery charge indicator: Yes | Wireless range: 20 m | Battery type: Built-in battery | Battery technology: Lithium Polymer (LiPo)