The Green Lion Brooklyn True Wireless Earbuds are designed to deliver a premium quality of sound with seamless connectivity. Bluetooth V5.4 ensures that these earbuds maintain a stable connection that is quick enough, with a 10m transmission range. The 13mm speaker drivers produce HiFi sound while the range of frequency of 20Hz-20kHz provides clear and rich sound. Due to the IPX2 rating, waterproof protection, they may resist water splashes, making them perfect for sweatshirts for exercises or daily activities. The 200mAh charging case takes 1.5 hours to fully charge, while it offers 4 hours of playtime and 40 hours of standby time. Furthermore, the earbuds possess touch control systems, are equipped with dual microphones, and support a voice assistant. Charging is made handy with the Type-C charging port, which guarantees fast and efficient charging. The Green Lion Brooklyn True Wireless Earbuds combine utility with a superlative sound experience. Specification Material: ABS Case Battery: 200mAh Earbuds Battery: 28mAh Bluetooth: V5.4 Transmission Range: 10m Speaker: 13mm Frequency: 20Hz-20kHz Impedance: 32?±15% Sensitivity: 97±3dB Waterproof: IPX2 Charging Port: Type-C Charging Time: 1.5 Hours Playtime: 4 Hours Standby Time: 40 Hours SKU: GNBRKLNTWSBK | GNBRKLNTWSWH | GNBRKLNTWSBG GTIN: 9904781939188 | 9904781939256 | 9904781939638 Features Touch Control HiFi Sound Dual-Mic V5.4 Bluetooth IPX2 Waterproof Built-In Microphone Voice Assistant Type-C Charging