Sentry True Wireless Earbuds, Bluetooth

Premium sound with portable charging case. 4 hours per charge. 20 hours total playtime. Auto Pair & Auto on: Open case and buds will auto sync to your device. Deluxe Charging Case: Case charges buds 3x times for 20 total hours of playtime. Wire-Free Bluetooth: Connect and control your Bluetooth capable devices. Play Controls: Remotely operate your device from the earbuds. Built-in Microphone: Switch between tunes and talk on the go. All Day Battery: Long lasting battery life will get you through the day. Driver Unit: 10mm. Impedance: 32 ohms. Sensitivity: 103dB+/-3dB. Frequency: 20Hz-20KHz. Bluetooth: Version 5.0. Battery: Lithium-ion. Playback: 4HR (at) 50% volume. Range: 30FT/10M. Case Battery: 400 MAH. Earbud Battery: 35 MAH. Power: 3MW. Charging Cable: USB (included). Mic Sensitivity: 36DB. Actual playback times may vary. Battery performance may be effected by multiple factors including but not limited to ambient temperature, listening volume, and/or distance from source audio device. Micro technology. Inductive charging. Auto on, auto pair. Microphone + controls. Charging case. Auto pairing technology. 20 hrs playtime long lasting all day battery. Open case & sync device. 3x Charge: Charge earbuds 3x times on the go. Control buttons play, pause, skip. Built-in mic + control buttons. Portable charging case. CE listed. Made in China.