Cellet EB100BKB Wireless Hands-Free Mono Bluetooth Headset Earbud for Apple iPhone Xs/Xs Max/Xr/X/8/8 Plus/7 Samsung Note 9/8/5 Galaxy S9/S8/S7/S6/Motorola Moto Z3/Z3 Play/Z2 Play/Z Play Droid/G6/X4/Z2, Black LONG LASTING- Battery lasts for over 4 hours of talk time and up to 100 hours of stand-by time COMFORT AND CONVENIENCE -Designed to fit either ear with exceptionally clear call quality and ultra-lightweight design. Only takes 7 seconds to pair. Use the micro USB port to charge. PHONE CALLS ON THE GO- Connects wirelessly, perfect companion for smartphones. Enjoy your mobile calls hands-free and without tangled wires. Supports voice dial and redial. FAST TRANSMISSION RATE- Enhanced Data Rate (EDR) transmits data 3x faster than previous versions OPERATING DISTANCE- over 33 feet / 10 meters