Form Color: Black + Blue Brand: Others,N/A Material: Plastic Quantity: 1 Connection: Bluetooth Bluetooth Version: Bluetooth V4.0 Operating Range: 10M Connects Two Phones Simultaneously: Yes Headphone Style: Bilateral,Headband Waterproof Level: Others,N/A Applicable Products: Universal Headphone Features: Phone Control,Long Time Standby,Noise-Canceling,Volume Control,With Microphone,Portable,For Sports & Exercise Support Memory Card: Yes Memory Card Slot: Standard TF Card Support Apt-X: Yes Sensitivity: 84dB Frequency Response: 20-20000Hz Impedance: 32 Battery Type: Li-ion battery Built-in Battery Capacity : 400 Standby Time: 250 Talk Time: 10 Packing List: 1 x Headphone Form Color: Black + Blue Brand: Others,N/A Material: Plastic Quantity: 1 Connection: Bluetooth Bluetooth Version: Bluetooth V4.0 Operating Range: 10M Connects Two Phones Simultaneously: Yes Headphone Style: Bilateral,Headband Waterproof Level: Others,N/A Applicable Products: Universal Headphone Features: Phone Control,Long Time Standby,Noise-Canceling,Volume Control,With Microphone,Portable,For Sports & Exercise Support Memory Card: Yes Memory Card Slot: Standard TF Card Support Apt-X: Yes Sensitivity: 84dB Frequency Response: 20-20000Hz Impedance: 32 Battery Type: Li-ion battery Built-in Battery Capacity : 400 Standby Time: 250 Talk Time: 10 Packing List: 1 x Headphone Brand General SKU 100600957_NP-1021040661