Condition: 100% Brand New Item Type: Bluetooth Wireless Headset Material: plastic Color: As picture shown Weight: Approx. 100g Bluetooth version: Dual-mode Bluetooth V 5.0 + EDR, ultra-low power consumption Support agreement: A2DP 1.3 / HFP 1.6 / HSP 1. 2 / AVR CP 1.6 / D 11. 3 Bluetooth use frequency range: 2.4GHZ Bluetooth transmission distance: about 15-25 meters Battery capacity: Both left and right ears have built-in 30mAh rechargeable lithium polymer battery, and the battery capacity of the charging box is 350mAh Standby time: binaural can stand for about 6 hours Talk / play time Headphones play time is about: about 2-3 hours Headphone talk time: about 4 hours (support caller ID, for IOS system power display) 1、Simple and convenient to use, high-definition sound quality. 2、Binaural stereophonic, ultra-low power consumption, multi-function touching buttons. 3、Long work time, 6 hours standby on both ears, high quality. 4、Binaural stereo provides good usage experience. 5、Wireless Bluetooth transmission reduces sound quality loss. 1 x Charging compartment 1 x Instruction 1 x Charging cable 2 x Headset