Bluetooth Headphones SweatProof Earphones Magnetic Earpiece

M64 Sport Bluetooth Earphones Wireless Headphones Running Headset Stereo Super Bass Earbuds Sweatproof With Mic Specification:   1. Bluetooth version: V4.1 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 50hrs 7. Working Voltage: DC5V/130MA 8. Charging: USB cable included (no adaptor) 9. Battery: Built in lithium polymer battery 10.Talk/music playtime: Approximately 2-4 hours 11. Charging time: Approximately 1-2 hours 12. Frequency response: 20Hz-20kHz 13. Operational temperature: -10 to 50°C   Package: 1 x Bluetooth Headset 1 x USB charging cable 1 x User manual
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