(20 Pieces) Foldable Wireless Bluetooth Headphones

Wireless Bluetooth Headphones / Headsets Quantity: 20 Pieces per color Colors: black, red, blue, white, greenFeatures: * Connects to other device that has Bluetooth capability, such as iPhone, Samsung Galaxy, HTC, and more * 3.5mm audio jack, provides a simple wired connection * Allow you to answer or reject phone calls * Charged via USB, rechargeable battery * Playing time up to 10 hours, talk time up to 7-8 hours, standby time up to 120 hours * Good quality, foldable design and adjustable length hinges Specifications: * Type: Stereo headphone with Mic * Bluetooth version: ISSC3.0 * Operation distance: 10m * Sensitivity: 105dB+ / - 3dB * Rechargeable lithium battery: 300mAh * Charge time: 2-3hrs * Charge port: USB * Resistance: 32ohm * Plug type: 3.5mm * Audio cable length: 1.2m / 3.94ft * Earmuff diameter: 8cm / 3.1in Package Contents: * Headset * USB Cable * Audio Cable * User Manual (English) * Retail Box