Wireless Sport Bluetooth Stereo Headset Neckband Android system

Wireless Sport Bluetooth Stereo Headset Neckband Android system Specifications: * Model HF740T * Bluetooth Version Bluetooth V4.0 + EDR * Distortion Factor ≤1% * Battery 300mAh Lithium battery * Work Time 8 hours * Standby More than 300 hours * Color Black, White (can be customized) * Package Weight 104g * Dimension: 22*19.5*5.3 MM * NFC: Support * TF card slot: Max. Capability up to 32GB * Accessory headphone, USB cable, manual,gift box * Features Muti-connection MP3