Specifications:

Brand: Syllable
Model: D900S
Bluetooth: V4.0 CSR8670
Supported protocols: ACRCP A2DP HSP HFP Aptx
Connection distance: 10m
Impedance: 16 ohms
Battery capacity: 65mA
Microphone Sensitivity: -42dB+/-3dB
Life time: 4H(Battery case can provide 6 times change)
Function: calls listen to music
Standby time: 90h
Material: PC + ABS
Charging Time (h): 2 hours
Charging Voitage: 5V
Talking Time: 4 hours
Music Time: 4 hours
Waterproof grade: IPX4
Frequency response: 20-20000Hz
Product Weight: 0.008 kg
Package Weight: 0.140 kg
Product Size (L x W x H): 2.00 x 2.00 x 2.70 cm / 0.79 x 0.79 x 1.06 inch
Package Size (L x W x H): 11.00 x 15.50 x 5.20 cm / 4.33 x 6.1 x 2.05 inch

Package Content:

1* Pair Syllable D900S Bluetooth Wireless Earbuds
1* Intelligent Charging Box

• Advantage of Syllable D900S Bluetooth headphones: State of Art Headphone Design, Virtually wireless, Set yourself free from all cables, enjoy your favorite music under most relaxing conditions while workout, running, walking and more.
• Featuring latest Noise Cancelling technology, Maximize Noise reduction, Two power Audio driver delivery crystal clear sounds and deep bass.Ultra lightweight,less than 0.3oz, providing most comfortable listening experience.
• Ergonomics Design for most comfortable wear;Battery last up to 5 hours,Comes with wireless charging Box able to charge it up to 6 times,allows you to enjoy music up to 30 hours with the little charging box.
• Built in CSR 8670 Bluetooth chip to ensure superb CD-like sound quality and stable signal, easy and fast paring with distance up to 35 feet.Featuring latest Noise Cancelling technology, Maximize Noise reduction,Two power Audio driver delivery crystal clear sounds and deep bass.
• Compatible with Most of the Bluetooth enabled devices, work with your iPhone, iPad, MacBook, Android Smartphones, tablets, chrome Books, Windows Laptops, desktops, Bluetooth Speakers and more.

Advantage of Syllable D900S Bluetooth headphones: State of Art Headphone Design, Virtually wireless, Set yourself free from all cables, enjoy your favorite music under most relaxing conditions while workout, running, walking and more.Syllable