Specifications：
Headset:
Bluetooth version: V 5.0+EDR dual modes
Bluetooth profile：Support A2DP1.2/ AVRCP1.4 /HFP1.6 / HSP1.2 DI1.3 / AAC_LC decoder
Chipset: Airoha AB1526P
Distortion：<1%
Distance: about 15-20 meters/49.21-65.62ft.
Battery: 3.7V/55mAh Built-in Li-ion battery
Full charge time: 1.5 hours
Play time: about 2.5 - 3 hours
Earplug charging current: 55mA
Microphone sensitivity: -38±2dB
Frequency range: 20~2000Hz
Headphone weight: about 7.5g
Waterproof rating: IPX7
Colours: Black/Green

Charging box:
Battery: 3.7V/650mAh Built-in Li-polymer battery (providing 3-4 times power)
Charging time：1.5H~2H
Full charge time: 2 hours
Input: 5V 500mA
Output: 5V 100mA
Size: about 99*61.7*29.6mm/3.9*2.43*1.17in
Weight: about 55 grams

Note:
Please read this manual carefully before using the product and keep it in a safe place.

WARNING:
Pls full charged the earphone and charging case at the first use.
Pls use 5V 1A adaptor to charge the case, otherwise it may damage the earbuds and charging case.
This product contains built-in lithium battery, do not expose under strong sunlight and throw into fire in case of explosion. Deal with batteries in accordance with local regulations, do not treat as household waste.
The user can not remove or replace the battery, which is dangerous and may damage the product.

List:
1*TWS Bluetooth Earphones With Charging Box
1*Charge Cable
3*Hooks
3*Ear Caps
1*Instruction Manual