1. Drive: 15mm 2. Impedance: 32 OHM 3. Bluetooth Version: Bluetooth V4. 1+EDR 4. Bluetooth Frequency：2. 4Hz 5. Power Grade Class II 6. Output Power：30mW 7. Bluetooth Distance: 15 meters accessible 8. Frequency Response: 20-20000Hz 9. Operating Voltage Range: 3. 0V-4. 2V 10. Microphone Sensibility：-42dB 11. A2DP/AVRCP High Quality Stereo Audio Transmission and Remote Control Protocol 12. Intense Noisy Cancellation Circuit 13. Switch Between Chinese and English(when the phone is not connected to the Bluetooth, press the switch twice to hear the tone switch successfully) 14. Charge for approximately for an hour( Power Indication: red light, full charge; blue light, the red light disappear) 15. Product Size: Length 25mm*Width15mm*Height35mm 16. Product Weight: 6 g 17. Call Duration: About 2-3 Hours 18. Music Duration: About 2-3 Hours 19. Standby Time About 96 Hours 20. Charging Time: 60 Minutes 21. Battery Capacity: 55MAH 22. Power: DC 5V(Round Hole Interface), USB Port, Cellphone Charger, Car Charger. 23. The Weight of Whole Set: 60g 24. Package Dimension: 9. 583. 5*13cm 25luding: Earphones+USB Cable+Manual+Package Box
- Lancaster stable, fast, easy pairing – Ever worry about walking away or losing your connection Again. Bluetooth headset ear buds Instantly pair with any Bluetooth device in seconds – your cell phone, TV, laptop, tablet, smart watch, really anything, then stays connected, providing calls and chats with Siri – crisp, clear, unrivaled sound quality as you move about your day with an unwavering, stable signal from 40 feet away.
- Lancaster humanized designed – weight only 8G, lightweight and secure, comfortable fit with most shape of ears. While you moving around or working out won’t popping off. Very suitable for answering calls or listening music.
- Lancaster truly sweat proof technology – sweat guard is specially designed to resist the corrosive properties of sweat.
- Lancaster long battery life – built-in 3. 7V/ 80 mash lithium battery, allowing you to enjoy your music for a long time up to 3-4 hours, up to 4 hours of talking time, and 50 hours of standby time with a quick charge of only 30 minutes. During the charging process, The indicator light will turn red, and after full charge, The indicator light will turn blue. Please unplug the charger at this time
- Lancaster what you get – 1× Bluetooth sports earphones, 1× charging cable, 1× User manual and our 12 months worry free . Just feel free to Contact us if you have any question with our wireless earbuds, we will reply you in 24 hours