Designed with life in mind these Active Bluetooth Headphones will keep you moving forward, never holding you back. The ergonomic design features tangle resistant cables, magnetic “snap back” earbuds and an improved profile with ear comfort in mind. Long battery life, rich bass and built in microphone tie everything together, making one perfect pair of earbuds. 1. Bluetooth v5.0 2. Rated Power: 0.6W 3. Working Distance Range: ≤ 10 M/ 33FT 4. Frequency Range: 2.4GHz-2.48GHz 5. Charging Voltage: 5V 160mA 6. Charging port: Micro USB 7. Battery Capacity: 160 mAh 8. Charging time: ≤ 2 hours 9. Playback time/Music time: ≤ 10 hours 10. Talk Time: ≤ 10 hours 11. Standby Time: ≥ 160 hours 12. Hands-free call microphone