• Comfortable & Snug Fit without Sound Leakage: Ergonomic Design 45-degree angle, stable & secure fit. Smooth 3D Arc edge, long-lasting comfort 
• 4-Mic ENC Calling Noise Cancellation: Filtering Out Noise for HD Calling Experience
• 24h Total Listening Time: 8h listening time on a full charge extra 3 charges from the charging case 24h total listening time
• Low-Latency Listening Experience: Sound & picture in sync, smooth & fluid video, gaming, and movie experience
• IPX4 Water Resistance: Enhanced dust/water resistance effortlessly withstands sweat and rain
• BT 5.3, Fast & Stable Connection: Auto connection once opening case, seamless switch between single and double earphones

Specifications:

• Model: JR-PB1
• Wearing style: half in-ear 
• Bluetooth: V5.3
• Bluetooth audio decoding: AAC, SBC  
• Support protocol: HSP, HFP, A2DP, AVRCP
• Operating frequency: 2402-2480KHz
• Headphone battery capacity: 35mAh
• Charging case battery capacity: 350mAh 
• Speaker impedance: 32Ω    
• Rated power: 2*5mW
• Driver unit: Φ13mm 
• Music playback time: about 8 hours (60% volume)
• Talking time: about 4 hours (60% volume)
• Headphone standby time: about 48H (connected state)
• Headphone charging input: 5V⎓100mA
• Charging input for charging case: 5V⎓1A
• Charging input port: Type C 
• The number of times you can charge dual headphones: about 3 times
• Earphone charging time: about 1.5H    
• Charging time of the charging case: about 1.5H
• Waterproof level: IPX4
• Product material: ABS + PC
• Headset weight: 3.5g
• Net weight: 38g