Advanced and stable Bluetooth 5.3 technology Supports HSP, HFP, A2DP and AVRCP, greatly improves the transmission speed, provides you with a low-latency listening experience, provides you with an uninterrupted call and music experience, and ENC intelligent noise reduction technology High-fidelity stereo sound, long battery life Adopts 13mm speakers and three-layer composite diaphragms to enhance the sound quality with high-fidelity stereo, allowing ears to enjoy the best state. Each earbuds built-in microphone adopts a call noise cancellation function to ensure clear and realistic sound. A single charge can provide you with 6-8 hours of music playback time, and the charging box can provide you with 48 hours of music playback time Game mode or music mode GameMusic sensitive switching, in game mode, it can accurately capture footstepsgunshotscar sounds, quickly kill enemies in battle, let you immerse yourself in the game scene, double the gaming experience, with IPX6 waterproof and sweat-proof nano-coating, easily protect the Bluetooth headset from heavy rain or sweat during intense exercise and all-weather conditions One-step pairing Open the charging bin after the first connection, these wireless Bluetooth headsets can connect to your Bluetooth-enabled device, connect faster and more conveniently turn onoff music, adjust volume, make phone calls, wake up voice assistants, etc. Ergonomic design, safe to wear soft earbud covers, no pressure to wear. The ergonomic design provides a comfortable and secure fit that does not protrude from the ears, especially suitable for sports, exercise and gym. It is also a good gift choice Specification Bluetooth version V5.3 JL 6973D4 Supported protocols A2DPAVCTPAVDTPAVRCPHFPSPPSMPATTGAPGATTRFCOMMSDPL2CAP PROFILE Battery capacity Earphone 35mAh2 without protection board, headphone board lithium battery protection IC Charging bin 300mAh with protection board Driver unit 13mm diameter Charging time about 1h Talk time 5h Play time 6h Standby time 300h Speaker sensitivity 115dB3dB at 1KHz Speaker impedance 32Ω15 at 1000Hz Microphone sensitivity -381dB 1KHz 1Pa Frequency response range 20-20KHz Bandwidth 100KHz-5KHz Impedance 200Ω Input charging DC 5V Frequency response range 2.4GHz Maximum transmission distance 10m Voice prompt Support Multi-point connection Not support Wearing method In-ear Instructions Chinese and English Interface Type-C Waterproof level IPX5 ENC noise reduction depth 4-microphone call noise reduction -35dB Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store