Features: High-Quality Bluetooth Speakers Compatible with a variety of devices Hands-Free calling Noise-cancelling Ultra HD sound Line Model & Bluetooth Model & TF card Model Bluetooth 5.0 is compatible with most electronic products and supports 3.5mm line input. Supports TF card reading playback. Whether it's on a phone, desktop, tablet or any product with a Bluetooth device, you can always use it. High-Definition Stereo Sound ultra-large dynamic drivers, turbine style housing, and iconic surging low-frequency shock let you feel Deep bass resonance for superior sound quality. 6 types of sound: Natural, Pop, Rock, Jazz, country, heavy bass. Multi-function you need Hands-free calls with high sensitivity microphone; FM radio allows you to receive news from the outside world anytime and anywhere The phone displays the power of the headset.  Specification: Bluetooth Version: 5.0 Transmit Range: About 10m Support Software Agreement: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP, etc Battery: Rechargeable polymer lithium-ion battery Charge Time: 1H Operate Hours: About 4H (battery saturation) Talking Time: About 4H (battery saturation) Package Included:  1 Headset 1 Charging Cable 1 User Manual