1- Charging voltage:               MICRO USB 5V
2-Working current:                10-20mA
3- Bluetooth Working range:        10M
4-Output power:                  2x18mW  
5-Frequency range:                2.401-2.480GHz
6- Distortion factor:               ≤1%
7-Frequency response:             20Hz-20KHz
8-Working Time:                 Music state 10 H/ Talkingstate 15H
9-SNR:                         S/N≥95
10- Charging Time:                2h
11-Bluetooth name:           HBS-900
12-Speaker:                    16Ω20mW x 2
13-Battery:                     3.7V/195MAH (Polymer rechargeable battery)
14-ANC frequency                100-1000HZ
15-ANC level                    15-20dB
16-Standby time                 ≥500H

Payment

1. we can accept T/T and Western Union and Money order, it is your option. If you want other payment terms,please kindly let us know.

2. 30% T/T as depoist, 70% balance before the shippment.

Shipping

1. Sample order: within 3 days

2. Bulk orders: according to the order quantity, usually 15-20 working days.

Return and warranty

1. All the goods are inspected according to AQL 1.0/4.0 level before shipment.

2. All the goods are 1 year warranty.

Feedback

1. Buyer's early confirmation will be highly appreciated .

2. Your feedback is very important for developing the business and inproving product quality.