Why choose Bolton Wireless Headphones? 1) Bluetooth 5.0 Technology Our Bluetooth headphones have adopted the latest generation chipset and Bluetooth 5.0 technology compared to Bluetooth 4.1, the latest Bluetooth 5.0 technology features fast and stable signal transmission, clear sound quality, and low power consumption. 2) 16 hours continuous playback with exclusive charging technology Bolton wireless earbuds reduce power consumption, 5 minutes charging can work 2 hours. 16 hours of continuous talking/music time, travel and sports let you enjoy great music. 3) High-quality HD stereo sound AAC to tune SBC Bluetooth profile with significant listening isolation and 10mm dynamic driver, HD stereo no delay in playback gives you more realistic music experience Bluetooth Model: BT-BH1001 talk/playtime: up to 16 hours Standard: V5.0 Wireless Profile: HFP, A2DP, HSP, AVRCP Operating Range: 33 ft / 10m (no barrier) Waterproof rate: IPX7 Charging time: 1.5 hours Charging voltage: DC5 package included: 1 X Bluetooth BT-BH6001 Wireless Stereo Headphones 1 x USB Charging Cable 6x Ear Buds (equipped with two headphones) 6x Ear Hooks (equipped with two headphones) 1x Travel Bag 1x User Guide