* Low delay BT 5.1 chip, provides quick pairing, fast transmission speed, stable connection and low power consumption.
* 10mm high-quality moving coil unit, delivers lossless stereo sound quality with high frequency, bright and transparent.
* Ergonomic design with skin-friendly silicone ear tips, makes it stable and comfortable to wear even for a long time.
* Adopt call noise reduction technology, which effectively eliminates ambient noise, bringing a clear binaural call.
* With smart button control, you can easily play/pause, switch songs, adjust volume, answer/reject phone calls, summon voice assistant, etc.
Features: * Low delay BT 5.1 chip, provides quick pairing, fast transmission speed, stable connection and low power consumption.  * 10mm high-quality moving coil unit, delivers lossless stereo sound quality with high frequency, bright and transparent.  * Ergonomic design with skin-friendly silicone ear tips, makes it stable and comfortable to wear even for a long time. * Adopt call noise reduction technology, which effectively eliminates ambient noise, bringing a clear binaural call. * With smart button control, you can easily play/pause, switch songs, adjust volume, answer/reject phone calls, summon voice assistant, etc.  * IPX4 waterproof level, allows you to deal with daily water activities easily and enjoy sports freely, no fear of rain or sweat.  * Inbuilt LED-indicators, shows clearly the charging status and battery level of charging case. * The charging case is compact and lightweight, taking up little place, easy to carry and store.   Note: * Please read the user manual carefully before use. * There may be slight errors due to manual measurement.  Specifications: Model: A6R Material: ABS Color: Black  BT Version: 5.1 Earphone Battery: 40mAh Charging Box Battery: 250mAh Transmission Distance: about 10m Call Time: about 3H  Play Time: about 2.5H Standby Time: about 80H   Charging Time: about 1-2H BT Protocol: HFP/A2DP/HSP/AVRCP Waterproof Level: IPX4  Charging Case Size : 6.2 * 4 * 2.7cm / 2.44 * 1.57 * 1.06in Item Weight: 34g / 1.2oz (with charging case) Package Size: 14.2 * 8 * 3.1cm / 5.59 * 3.15 * 1.22in Package Weight: 59g / 2.08oz Package List: 1 * BT Earphones 1 * Charging Box 1 * Charging Cable 1 * User Manual (Chinese, English)