2 to 5 business days
Features:1. Support Bluetooth 4.1 version downwards.2. Compatible with 4.1 version.3. Support A2DP function.4. Supports automatic switch over to incoming call function.5. With the end number redial function.6. Large and small volume adjustment.7. Forward backward selections feature pause function.8. AVRCP remote control capabilities.Product Parameter:1. Driver unit: Diameter: about 40 mm/ 1.57 inches2. Scope of work: 10 meters3. USB charging cable: AC input 110-240V, DC input 5V 4. Talk time: 6 hours 5. Standby time: up to 15 hours6. Operating frequency: 2.4GHz-2.4835GHz7. The output frequency: Class 28. Noise reduction technology: DPS digital signal processor9. FM Frequncy: 87.5-108MHz10. Bluetooth frequency: 2.401-2.480GHz11. Frequency: 50HZ-20KHz12. Output power: 35 mW13. SNR: 88DB14. Charging time: 2 hoursPacking List:1 X Bluetooth Headphone1 X USB Cable.