Model: V33 Horn: 40MM/32 Frequency Performance: Receiving Sensitivity:-84DBM, Transmitting Maximum Power 6DBM Transmission Distance: 10 Meters Bluetooth Version: V5.0 Battery Capacity: 200MAH Call Duration: 6 Hours Battery Capacity: 200MAH Broadcast Card Playback: Support Playing External TF Card Music Product Color: Four Colors Support Bluetooth Mode: A2DF1.2,AVRCP1.0,HSP,HSF1.5 Specifications: 1. The New Large Drive Unit Achieves A Balance Between The Surging Bass And The Bright Treble, Creating A Rich And Delicate Original Sound Effect 2. The Imperceptible Zero Delay, The Full Link Delay From The Sound Of The Mobile Phone To The Sound Of The Earphone Is As Low As 0.65 3. Upgrade Bluetooth 50 Chip, Large Connection Range, Faster Data Transmission, Fast Automatic Connection, High-speed Stable And Lossless Transmission 4. Built-in Large-capacity Lithium Battery, Double Long Battery Life, Outdoor Travel Is Not Afraid Of Power Failure, Listen To It Anytime And Anywhere, Breaking Through The Imaginary Battery Life 5. Enjoy The Sounds Of Nature, High-fidelity HIFI Sound Quality, In-depth Analysis Of Every Music Detail, To Your Ears To Bring Immersive Sound Experience 6. Skin-friendly And Delicate, Comfortable And Breathable Large Earmuffs, All-inclusive Ergonomic Wearing Design, Suitable For All Kinds Of Ear Types Without Pain For A Long Time Package Included: 1 * (1 headset)