expanded view JOY Metal Neckband Wireless Earphone with Mic Compatible for All Mobiles

Specification： 1. Bluetooth version: V 5.0 2. Bluetooth distance: 10 meters 3. Frequency range: 2.4GHz-2.48GHz 4. Operating distance: Up to 10m (free space) 5. Bluetooth profiles: A2DP, AVRCP, HSP, HFP 6. Standby time: Up to 130 hrs 7. Working Voltage: DC 5V/0.5-1.0A 8. Charging: cable included (no adaptor) 2 hrs charging time 9. Battery: Built in lithium polymer battery 3.7V 80Mah 10.Talk/music playtime: Approximately 2-4 hours 11. Charging time: Approximately 6 hours 12. Frequency response: 20Hz-20kHz Handling and Packing: Packing done with good amount of care so that you get the item in good condition. it is your responsibility to ensure that the packet received is in non-tampered condition. If the pack is open, please refuse to receive the order and return it with same logistics person 100% Tested product