Tecsire Prof. Dianna Metz IVY30 TWS BMelody Robel DDSluetooth Dr. Myrtis Pfeffer MDEarphone SAlford UllrichVirgil Streichtereo Wireless ECorbin AbshireGreg Rauarbuds MOtis Reynoldsini ToucMuhammad O'Connerh Control WateClotilde WuckertLilliana Metz Irproof With MiKenton ReillyVallie BernhardcrophoDr. Maudie Block Jr.ne

Product Features:
1). Automatic Pair, Automatic Power On/Off: when take out the headsets from charger box, the two headsets will turn on automatically and pair with each other automatically. when put back the headset to charger box, it will turn off automatically.
2). Bluetooth 5.0, lower power consumption, more stable signal, excellent bluetooth compatibility, compatible with all the smartphones, tablet pc, etc.
3). Both earbuds can use singlely, or pair with each to use together.
4). Smart Touch Control, just a finger touch can acheive multi functions, including: play & pause, answer & reject phone call, call back, play next song, simple and convenient to use.
5). each earbuds built in 50mAh lithium battery, music playback time up to 4 hours. the charger box built in 300mAh battery, can charge the earbuds for about 6 times, long standby time.
6). life waterproof and sweatproof design, you can wear it when raining, can wear it to enjoy fitness with a lot sweat ( but not put it into hot water ).
7). Built in microphone, can answer phone call and chat.
8). Ergonomic design, super mini, ultra lightweight, can fit to ears very comfortablely, no pressure to ears at all.

Specifications:
bluetooth version: bluetooth 5.0
operate distance: about 10 meters
bluetooth protocol: HFP, A2DP, HSP, AVCRP
Frequency Range: 20-20000Hz
Sensitivity: 98dB
Mic Sensitivity: -42dB
Impedance: 32Ω
Earbuds Battery Capacity: 50mAh
Playback Time: about 4 hours
Charger Box Battery Capacity: 300mAh
Earphone Weight: 4g