Indulge in the perfect audio experience with our S4000 Foldable Wireless Stereo Music Headset. Whether you're in the mood for wireless, wired, or TF card music, this headset has got you covered. It even includes an FM radio for added convenience.

Key Features:

• BT4.2 connectivity for seamless pairing with BT-enabled devices
• Multiple music input options: TF card, AUX-in, and FM radio
• Convenient hands-free calling with built-in microphone
• Comfortable and adjustable design with foldable ear cushions
• High-definition microphone for crystal-clear voice transmission
• Long-lasting 250mAh rechargeable battery for up to 10 hours of music playback

Specifications:

• BT version: 5.0
• Operation range: 10 meters
• Frequency response: 20Hz-20KHz
• Impedance: 32ohm
• Sensitivity: 108+/-3dB
• FM frequency: 87.5-108MHz
• Speaker unit: 40mm
• Battery capacity: 250mAh
• Working time: about 10 hours
• Standby time: about 200 hours
• Charging time: about 2 hours
• Dimensions: 19.6*17.3*8.2cm

Packing List:

• Headset x 1
• Charging cable x 1
• User manual (English) x 1