Model: RX-BN TIGER Bluetooth Version: 5.4 Talking Time: Up to 120 Hours Music Time: Up to 120 Hours Charging Time: 1–2 Hours Charging Type: Type-C Battery: DC3.7V, 500mAh Rechargeable Transmission Distance: 32ft (10m) Design: In-Ear, Comfortable for Long Use Microphone: Built-in, Supports Hands-Free Calls Bass: Enhanced Bass for Superior Sound Music from Memory Card: Supported (Micro SD) – No phone required Battery Display: LED screen shows real-time charge percentage