•The latest Bluetooth-compatible 5.3 connectivity and ultra-low latency keep synchronized with audio and video, convenient to keep in contact with your teammates all the time •Built-in powerful 13mm driver unit, it provides 360-degree stereo bass HiFi sound quality •With the 360mAh charging bin, you can charge the headphones on the go, providing long standby time •The earphones are light in weight, with no pain feeling for long-term wearing •Waterproof design, no fear of sweat, great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly Specifications: •Material: ABS+PC •Bluetooth-compatible version: V5.3 •Wireless connection distance: 10 meters •Listening time: about 6 hours (70% volume) •Listening time: about 25~30 hours (with charging box) •Battery capacity: earphone: 35mAh/0.129Wh; charging box: 400mAh/1.48Wh •Earphone rated input: DC5 V 70mA •Charging box rated input: DC 5V 360mA •Earphone rated current consumption :5.8mA •Charging box rated current consumption :212mA •Charging time: about 1.5 hours •Frequency response range: 20Hz-20kHz •Charging interface: Type-C •Applicability: All devices with Bluetooth-enabled function Package included: •1 Pair x Bluetooth-compatible Earphones •1 x Charging Box •1 x USB to Type-C Cable (Black, 0.3m) •1 x English and Chinese User Manual •Other items not include