Portable Foldable Wireless Headphones

Item Type: Wireless Headphones Connectors: 3.5 mm Control Button: Yes Active Noise-Cancellation: No Style: Headband Communication: Wireless Bluetooth Version: 4.0 Vocalism Principle: Dynamic Volume Control: Yes Support Memory Card: Yes With Microphone: Yes Resistance: 32 Ω Frequency Response Range: 20-20000Hz Sensitivity: 70 dB Waterproof: No Charging Time: 2-3 hours Working Time: 6 hours Standby Time:…