Vocalism Principle: Hybrid technology Control Button: Yes Active Noise-Cancellation: No Communication: Wireless Volume Control: Yes Sensitivity: 110±5dBdB Wireless Type: bluetooth Is wireless: Yes Line Length: Nonem Support APP: No Plug Type: Line Type Connectors: 3.5mm Support Memory Card: Yes Resistance: 32ΩΩ Waterproof: No With Microphone: Yes Operating Distance: Up To 10 meters Bluetooth Files: A2DP, AVRCP, HSP, HFP Speaker Size: 40mm Drive Unit Sensitivity: >= 85dB Battery: 400mAh Rechargeable Lithium Battery Music Play Time: About 8 Hours Standby Time: About 20 Days
