ZR900 TWS headphone is equipped with large capacity charging box, convenient to charge. It adopts BT V5.0 technology, offering stable connectivity and less energy consumption. With in-ear design and soft silicone earhook, the earphone is really comfortable to wear for a long time and not easy to fall off. Built-in microphone enables hands-free calls to set free your hands when doing sports. Buttons on the earphone to adjust volume, Play/Pause, the previous/next song, answer/reject number.

Features:
Ergonomic Design:
With in-ear design and soft silicone earhook, the earphone is really comfortable to wear for a long time and not easy to fall off. Soft earbuds offer you great wearing experience.
Single or Double Mode:
In monaural mode, it allows you to share music with your lover. Or in binaural mode, you can enjoy stereo music and concentrate on your work.
BT V5.0:
Wireless BT V5.0 technology offers stable connectivity and less energy consumption. It is compatible with almost all BT-enabled devices and can transmit up to 10 meters.
Hands-free Call:
Built-in microphone enables hands-free calls to set free your hands when doing sports. Buttons on the earphone to adjust volume, Play/Pause, the previous/next song, answer/reject number.
Compact Charging Box:
The charging box has a compact size, easy to carry along. 500mAh large capacity can charge the earbuds for about 3-4 times whenever and wherever possible.

Specifications:
Product No.: ZR900
BT Version: V5.0
Transmission Range: 10M (without obstacles)
BT Protocol: HSP, HFP, A2DP, AVRCP,TWS, AAC
Frequency Response: 20Hz-20KHz
Impedance: 16O15% 1kHz
Sensitivity: 903dB 1kHz/1mW
Speaker: F8MM, Titanium diaphragm
Input Voltage: DC 5V/1A
Dust & Waterproof: IPX5
Battery Capacity: Charging Box: 500mAh; Earphone: 2*65mAh
Charging Time: About 2 Hours
Play Time: 3.5 Hours (medium volume)
Talk Time: 4.5 Hours
Standby Time: 80 Hours
Material: Aluminum / ABS / Silica gel
Earphone Size: 3*1.9*1.9cm / 1.18*0.75*0.75in
Earphone Weight: 5.8g / 0.2oz (with Silicone Earhook)
Package Size: 9.3*7.8*6.1cm / 3.66*3.07*2.40in
Package Weight: 143.3g / 5.05oz
Color: Black

Packing List:
1 * Pairs of Earphones
1 * Charging Bin
1 * Charging Cable
1 * User Manual (English)