Product Parameters: Operating Voltage: 5V Bluetooth Version: 6.0 Headphone Chip Model: BlueLink 56536E Headphone Battery: 40mAh (501012) Charging Case Chip Model: Ingenic 5513 Charging Case Battery: 300mAh (751429) Speaker Specifications: Ø13mm, 32Ω ±10% Sensitivity: 124 ± 3 dB Frequency Response: 20Hz – 20kHz Packaging: Color box Product Selling Points: Battle‑inspired weathered mecha charging pod with dazzling RGB lighting effects 13mm ultra‑large dynamic driver with composite diaphragm for powerful low‑frequency response Upgraded Bluetooth V6.0 for stable, interference‑resistant performance Clear and powerful sound quality Up to 24‑hour battery life for worry‑free use