Bluetooth watch circuit cost tws earbuds only one working

Bluetooth low cost solution:
Main chip: CSRBC04Flash Bluetooth version: v2.1+EDR
Power level: class2, 10 meters transmission distance Standby current: 0.2-2mA
Main functions: Caller ID, call records, phone book download, anti-lost alarm, SMS function (mobile phone needs to add APP) data transmission application (mobile phone needs to install APP, Apple device needs to be certified) bjbjaudio.com    <a style="opacity:0.0;color:#ffffff">tws earbuds only one working</a>     <a style="opacity:0.0;color:#ffffff">tws earbuds only one working</a>

Bluetooth full-featured solution:
Main chip: CSRBC05MM Bluetooth version: v2.1+EDR
Power level: class2, 10 meters transmission distance Standby current: 0.2-2mA Talking current: 30mA
Main functions: caller ID, call log, phonebook download, Bluetooth call, full keyboard dialing, Bluetooth music transmission, anti-lost alarm, SMS function (mobile phone needs to add APP), data transmission application (mobile phone needs to install APP, Apple device needs to be certified ) bjbjaudio.com                <a style="opacity:0.0;color:#ffffff">tws earbuds only one working</a>

Bluetooth Low Energy Solution: Main Chip: CSR1000 FEASYCOM
Bluetooth version: v4.0
Power level: class1.5, 50 meters transmission distance Standby current: <1uA Main function: 4.0 Data transmission protocol (BLE) APP needs to be installed to support incoming call reminder, SMS function and other data transmission applications. bjbjaudio.com             <a style="opacity:0.0;color:#ffffff">tws earbuds only one working</a>

Bluetooth 4.0 dual-mode solution (high compatibility): main chip: CSR8670
Bluetooth version: v40, compatible down to 3.0/2.1/20
Power level: class15, 50 meters transmission distance Standby current: According to the connection agreement
Main functions: 4.0 low power protocol (BLE), call records, phone book download, Bluetooth calling, full keyboard dialing, Bluetooth music transmission, anti-lost alarm, SMS function (mobile phone needs to add APP), data transmission application (support Android, Windows, Apple (Bluetooth version 40 and above) bjbjaudio.com         <a style="opacity:0.0;color:#ffffff">tws earbuds only one working</a>

Bluetooth development labor cost
Human costs mainly include salary and personnel costs. The definition and interpretation of remuneration can be described as follows: An employer pays him a monetary settlement for the tasks performed or to be performed by an employee. Including: directly paid in currency: wages, bonuses , allowances, bonuses; indirectly paid in currency: insurance, medical care, vacation. Usually, the salary consists of two parts: one part is paid directly in currency, and the other part is not necessarily paid to me, but related expenses have indeed indeed occurred in the enterprise, mainly including development expenses, and internal development expenses mainly It refers to the training fee, and the external development fee mainly refers to the recruitment fee. bjbjaudio.com

Human cost concept Human cost includes salary and personnel expenses. The meaning and interpretation of salary can be described as follows: an employer pays his employee through monetary settlement for the tasks performed or to be performed by an employee. Including: Directly paid in currency: Salary, bonus, allowance, bonus: Indirectly paid in currency: Insurance, medical care, vacation. Usually, the salary consists of two parts: one part is paid directly in currency, and the other part is not necessarily paid to me, but related expenses do occur in the enterprise, mainly including development fees and internal development fees.Use mainly refers to training costs, and external development costs mainly refer to recruitment costs. bjbjaudio.com      <a style="opacity:0.0;color:#ffffff">tws earbuds only one working</a>