These earbuds have Bluetooth 5.1 chip for HIFI original sound with stronger anti-interference performance and more stable signal transmission. It has a 210h standby time, combined with low power consumption, there is no need for long and frequent charging. Both of the earbuds are equipped with Airoha chips, which can be used in series or separately. By tapping the earbuds, you can easily switch music, adjust volume, answer phone calls etc. 

Specifications: Awei T36 Sports Earbuds - IPX4 - Bluetooth 5.1

• Bluetooth chip: Jieli6973 5.1
• Supported protocols: HSP, HFP, A2DP, AVRCP
• Battery capacity of single earbuds: 45mAh
• Battery capacity of charging case: 350mAh
• Colours: Black/White
• Trumpets: φ13mm
• Impedance: 32Ω±10%
• Talk time: 4~5H
• Play time: 4~5H
• Earbuds play 25 hours at 80% volume with charging case
• Standby time: 210H
• Charging time: 1.5H
• Maximum transmission distance: 10M
• Bluetooth Frequency: 20~20000Hz
• Sensitivity: 92dB±3dB
• Multipoint connection: unsupported
• Wearing style: in the ear
• Manual: English
• Included accessories: USB cable, user manual