W-sound 4.0 Clip-on-Collar Wireless Bluetooth Headset Mini Retractable Handsfree Headphone Black Type: Bluetooth Headset App-Enabled: Yes Noise Reduction: Yes Ear Coupling: In the Ear Talk Time: 8 hours Music Time: Up to 5 hour(s) Standby Time: 120 hours Charge Time: 1-2 hours
